APA(7版)引用形式

De Villa, J. G., & De Villa, R. (1997). Philippine vacations & explorations (2nd ed.). Brier Projects.

Chicagoスタイル(17版)引用形式

De Villa, Jill Gale, , Rebecca De Villa. Philippine Vacations & Explorations. 2nd ed. Makati: Brier Projects, 1997.

MLA(9版)引用形式

De Villa, Jill Gale, , Rebecca De Villa. Philippine Vacations & Explorations. 2nd ed. Brier Projects, 1997.

警告: この引用は必ずしも正確ではありません.