Klomp, L. (1996). Empirical studies in the hospitality sector: (Empirische studies over de Horeca). Offsetdrukkerij Ridderprint.
Čikaški stil citiranja (17. izdanje)Klomp, Lucas. Empirical Studies in the Hospitality Sector: (Empirische Studies over De Horeca). Ridderkerk: Offsetdrukkerij Ridderprint, 1996.
MLA način citiranja (8. izdanje)Klomp, Lucas. Empirical Studies in the Hospitality Sector: (Empirische Studies over De Horeca). Offsetdrukkerij Ridderprint, 1996.
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