APA-referens (7:e uppl.)

Refran, R. (2009). Batongbakal Refran friendship attachment questionnaire. University of the Philippines Diliman Extension Program in Pampanga.

Chicago-referens (17:e uppl.)

Refran, Raissa. Batongbakal Refran Friendship Attachment Questionnaire. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2009.

MLA-referens (9:e uppl.)

Refran, Raissa. Batongbakal Refran Friendship Attachment Questionnaire. University of the Philippines Diliman Extension Program in Pampanga, 2009.