Nem Singh, R. P., & Pengson, M. S. P. (1990). Gems in world literature. National Book Store.
Lua i Stíl Chicago (17ú heag.)Nem Singh, Rosario P., agus Ma. Sylvia Ples Pengson. Gems in World Literature. Metro Manila: National Book Store, 1990.
Lua MLA (9ú heag.)Nem Singh, Rosario P., agus Ma. Sylvia Ples Pengson. Gems in World Literature. National Book Store, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.