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.
Citação do estilo Chicago (17ª ed.)Philippines Department of Tourism Bureau of Special Services e Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. [Manila]: Bureau of Special Services, Department of Tourism, 1992.
Citação MLA (9ª ed.)Philippines Department of Tourism Bureau of Special Services e Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. Bureau of Special Services, Department of Tourism, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.