Cita APA (7th ed.)

Kalam, A. (1987). The Communist triangle: Abul Kalam. UPL.

Cita Chicago (17th ed.)

Kalam, Abul. The Communist Triangle: Abul Kalam. Dhaka: UPL, 1987.

Cita MLA (9th ed.)

Kalam, Abul. The Communist Triangle: Abul Kalam. UPL, 1987.