APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.