Ryck, M. M. d. (1982). [Zaire colonial documents: De Ryck collection of material on general administration, Equateur, Kivu, and Ruanda-Urundi, ca. 1885-1954. Center for Research Libraries.
Čikaški stil citiranja (17. izdanje)Ryck, Maurice Martin de. [Zaire Colonial Documents: De Ryck Collection of Material on General Administration, Equateur, Kivu, and Ruanda-Urundi, Ca. 1885-1954. Chicago, Ill.: Center for Research Libraries, 1982.
MLA način citiranja (8. izdanje)Ryck, Maurice Martin de. [Zaire Colonial Documents: De Ryck Collection of Material on General Administration, Equateur, Kivu, and Ruanda-Urundi, Ca. 1885-1954. Center for Research Libraries, 1982.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.