Gain, P. (2002). Bangladesh Environment: Facing the 21st Century (2nd ed.). Society for Environment and Human Development (SEHD).
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGain, Philip. Bangladesh Environment: Facing the 21st Century. 2nd ed. Dhaka: Society for Environment and Human Development (SEHD), 2002.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGain, Philip. Bangladesh Environment: Facing the 21st Century. 2nd ed. Society for Environment and Human Development (SEHD), 2002.
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