Cita APA (7th ed.)

Romero, E. C., Dannug, R. R., & Rosero, E. V. (1992). International relations: A Philippine textbook in political science, economics, business, sociology and law. Ken.

Cita Chicago (17th ed.)

Romero, Ephraim C., Roman R. Dannug, i Edgar V. Rosero. International Relations: A Philippine Textbook in Political Science, Economics, Business, Sociology and Law. Quezon City: Ken, 1992.

Cita MLA (9th ed.)

Romero, Ephraim C., et al. International Relations: A Philippine Textbook in Political Science, Economics, Business, Sociology and Law. Ken, 1992.