Cita APA (7th ed.)

Philippines. Department of Tourism. Planning Service. Plans and Programs Division. (1977). Regional tourism situation report. DOT.

Cita Chicago (17th ed.)

Philippines. Department of Tourism. Planning Service. Plans and Programs Division. Regional Tourism Situation Report. Manila: DOT, 1977.

Cita MLA (9th ed.)

Philippines. Department of Tourism. Planning Service. Plans and Programs Division. Regional Tourism Situation Report. DOT, 1977.