APA način citiranja (7. izdanje)

Cruz, R. G. (1998). Principles of travel and tourism: With special reference to the Philippines. Tourism Research Philippines].

Čikaški stil citiranja (17. izdanje)

Cruz, Reil G. Principles of Travel and Tourism: With Special Reference to the Philippines. [Quezon City: Tourism Research Philippines], 1998.

MLA način citiranja (9. izdanje)

Cruz, Reil G. Principles of Travel and Tourism: With Special Reference to the Philippines. Tourism Research Philippines], 1998.