APA-referens (7:e uppl.)

Abrea, L. A. Y. (2003). A test development research: Abmersam temperament scale. University of the Philippines Diliman Extension Program in Pampanga.

Chicago-referens (17:e uppl.)

Abrea, Lea Angeli Y. A Test Development Research: Abmersam Temperament Scale. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2003.

MLA-referens (9:e uppl.)

Abrea, Lea Angeli Y. A Test Development Research: Abmersam Temperament Scale. University of the Philippines Diliman Extension Program in Pampanga, 2003.