Tubo, D. V. (2006). Philosophy of man: Existential-phenomenological approach (Rev. ed.). National Book Store.
Lua i Stíl Chicago (17ú heag.)Tubo, Dennis Villanueva. Philosophy of Man: Existential-phenomenological Approach. Rev. ed. Mandaluyong City: National Book Store, 2006.
Lua MLA (9ú heag.)Tubo, Dennis Villanueva. Philosophy of Man: Existential-phenomenological Approach. Rev. ed. National Book Store, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.