Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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