Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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