APA (7 वां संस्करण) प्रशस्ति पत्र

Gain, P. (2002). Bangladesh environment: Facing the 21st century (Second edition.). Society for Environment and Human Development.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gain, Philip[Ed.]. Bangladesh Environment: Facing the 21st Century. Second edition. Dhaka: Society for Environment and Human Development, 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gain, Philip[Ed.]. Bangladesh Environment: Facing the 21st Century. Second edition. Society for Environment and Human Development, 2002.

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