Rotor, N. S. (1980). Introduction to Philippine tourism. Integrated Research Center, De La Salle University.
Style de citation Chicago (17e éd.)Rotor, Nilda Servando. Introduction to Philippine Tourism. Manila: Integrated Research Center, De La Salle University, 1980.
Style de citation MLA (9e éd.)Rotor, Nilda Servando. Introduction to Philippine Tourism. Integrated Research Center, De La Salle University, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.