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.
Цитирование в стиле Чикаго (17-е изд.)Philippines Department of Tourism Bureau of Special Services и Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. [Manila]: Bureau of Special Services, Department of Tourism, 1992.
Цитирование MLA (9-е изд.)Philippines Department of Tourism Bureau of Special Services и Philippines. Rules and Regulations to Govern the Accreditation of Travel and Tour Services. Bureau of Special Services, Department of Tourism, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.