Ceder, B., & Quashem, M. A. (1998). Study on group sustainability. BRDB Institutional Support Project.
Čikaški stil citiranja (17. izdanje)Ceder, Bjorn, i M. A. Quashem. Study on Group Sustainability. Dhaka: BRDB Institutional Support Project, 1998.
MLA način citiranja (8. izdanje)Ceder, Bjorn, i M. A. Quashem. Study on Group Sustainability. BRDB Institutional Support Project, 1998.
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