APA-referens (7:e uppl.)

Gaspar, K. (1990). A people's option: To struggle for creation. Claretian Pub.

Chicago-referens (17:e uppl.)

Gaspar, Karl. A People's Option: To Struggle for Creation. Quezon City, Philippines: Claretian Pub, 1990.

MLA-referens (9:e uppl.)

Gaspar, Karl. A People's Option: To Struggle for Creation. Claretian Pub, 1990.