Safiullah, S. (1989). Science environment and disaster. Dr. J.U Ahmed : IIEADM.
Čikaški stil citiranja (17. izdanje)Safiullah, Syed. Science Environment and Disaster. Dhaka, Bangladesh: Dr. J.U Ahmed : IIEADM, 1989.
MLA način citiranja (8. izdanje)Safiullah, Syed. Science Environment and Disaster. Dr. J.U Ahmed : IIEADM, 1989.
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