Philippines Department of Tourism Bureau of Special Services & Philippines. (1992). Rules and regulations to govern the accreditation of travel and tour services. Bureau of Special Services, Department of Tourism.
Čikaški stil citiranja (17. izdanje)Philippines Department of Tourism Bureau of Special Services i Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. [Manila]: Bureau of Special Services, Department of Tourism, 1992.
MLA način citiranja (9. izdanje)Philippines Department of Tourism Bureau of Special Services i Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. Bureau of Special Services, Department of Tourism, 1992.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.