Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.