APA引文

De Villa, J. G. (1988). Philippine vacations and explorations. Devcon I.P.

Chicago Style (17th ed.) Citation

De Villa, Jill Gale. Philippine Vacations and Explorations. Manila: Devcon I.P, 1988.

MLA引文

De Villa, Jill Gale. Philippine Vacations and Explorations. Devcon I.P, 1988.