Sibal, C. R. (1971). Let's be happy: Tayo'y magsaya. Phoenix Pub. House.
Lua i Stíl Chicago (17ú heag.)Sibal, Cora R. Let's Be Happy: Tayo'y Magsaya. [Quezon City: Phoenix Pub. House, 1971.
Lua MLA (9ú heag.)Sibal, Cora R. Let's Be Happy: Tayo'y Magsaya. Phoenix Pub. House, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.