Cita APA (7th ed.)

Chowdhury Quamrul Islam. (2001). State of sundarbans. FEJB.

Cita Chicago (17th ed.)

Chowdhury Quamrul Islam. State of Sundarbans. Dhaka: FEJB, 2001.

Cita MLA (9th ed.)

Chowdhury Quamrul Islam. State of Sundarbans. FEJB, 2001.