APA-referens (7:e uppl.)

Papa, P. C., & Engay, B. Q. (2017). A phenomenological study on heads of youth leadership organizations. University of the Philippines Diliman Extension Program in Pampanga.

Chicago-referens (17:e uppl.)

Papa, Patricia C., och Bryan Q. Engay. A Phenomenological Study on Heads of Youth Leadership Organizations. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2017.

MLA-referens (9:e uppl.)

Papa, Patricia C., och Bryan Q. Engay. A Phenomenological Study on Heads of Youth Leadership Organizations. University of the Philippines Diliman Extension Program in Pampanga, 2017.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.