Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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