APA (7e ed.) Bronvermelding

U.P. Planning and Development Research Foundation, Inc. Social assessment for Basilan and Sulu. UP PLANADES, 2002.

Chicago (17e ed.) Bronvermelding

U.P. Planning and Development Research Foundation, Inc. Social Assessment for Basilan and Sulu. Quezon City: UP PLANADES, 2002.

MLA (9e ed.) Bronvermelding

U.P. Planning and Development Research Foundation, Inc. Social Assessment for Basilan and Sulu. UP PLANADES, 2002.

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