APA (7e ed.) Bronvermelding

Ceder, B., & Quashem, M. A. (1998). Study on group sustainability. BRDB Institutional Support Project.

Chicago (17e ed.) Bronvermelding

Ceder, Bjorn, en M. A. Quashem. Study on Group Sustainability. Dhaka: BRDB Institutional Support Project, 1998.

MLA (8e ed.) Bronvermelding

Ceder, Bjorn, en M. A. Quashem. Study on Group Sustainability. BRDB Institutional Support Project, 1998.