APA (7. basım) Alıntı

Romulo, C. P. (1978). The Philippines in the world today. Dept. of Foreign Affairs.

Chicago Style (17. basım) Atıf

Romulo, Carlos Pena. The Philippines in the World Today. Manila: Dept. of Foreign Affairs, 1978.

MLA (9th ed.) Atıf

Romulo, Carlos Pena. The Philippines in the World Today. Dept. of Foreign Affairs, 1978.