Cruz, C. L. (1995). Philosophy of man (3rd ed.). National Book Store.
Lua i Stíl Chicago (17ú heag.)Cruz, Corazon L. Philosophy of Man. 3rd ed. Mandaluyong City: National Book Store, 1995.
Lua MLA (9ú heag.)Cruz, Corazon L. Philosophy of Man. 3rd ed. National Book Store, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.