APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

Philippines Department of Tourism Bureau of Special Services en Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. [Manila]: Bureau of Special Services, Department of Tourism, 1992.

MLA (9e ed.) Bronvermelding

Philippines Department of Tourism Bureau of Special Services en Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. Bureau of Special Services, Department of Tourism, 1992.