Fonds national de la recherche scientifique (Belgium), Commission interuniversitaire du microfilm (Belgium), British Library of Political and Economic Science, Stengers, J., & Morel, E. D. (1961). [Inventaire des microfilms des papiers Morel: Séries A, B, E, F, G, H, I, se rapportant à l'histoire du Congo et conservés à la British Library of Political and Economic Science, London School of Economics and Political Science. Fonds national de la recherche scientifique, Commission interuniversitaire du microfilm.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Fonds national de la recherche scientifique (Belgium), Commission interuniversitaire du microfilm (Belgium), British Library of Political and Economic Science, Jean Stengers, và E. D. Morel. [Inventaire Des Microfilms Des Papiers Morel: Séries A, B, E, F, G, H, I, Se Rapportant à L'histoire Du Congo Et Conservés à La British Library of Political and Economic Science, London School of Economics and Political Science. [Bruxelles: Fonds national de la recherche scientifique, Commission interuniversitaire du microfilm, 1961.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Fonds national de la recherche scientifique (Belgium), et al. [Inventaire Des Microfilms Des Papiers Morel: Séries A, B, E, F, G, H, I, Se Rapportant à L'histoire Du Congo Et Conservés à La British Library of Political and Economic Science, London School of Economics and Political Science. Fonds national de la recherche scientifique, Commission interuniversitaire du microfilm, 1961.