Cita APA (7a ed.)

Rotor, N. S. (1980). Introduction to Philippine tourism. Integrated Research Center, De La Salle University.

Cita Chicago Style (17a ed.)

Rotor, Nilda Servando. Introduction to Philippine Tourism. Manila: Integrated Research Center, De La Salle University, 1980.

Cita MLA (9a ed.)

Rotor, Nilda Servando. Introduction to Philippine Tourism. Integrated Research Center, De La Salle University, 1980.