Cita APA (7th ed.)

P C. (1991). Annual development programm 1990-91 (1st edition.). B B S.

Cita Chicago (17th ed.)

P C. Annual Development Programm 1990-91. 1st edition. Dhaka: B B S, 1991.

Cita MLA (9th ed.)

P C. Annual Development Programm 1990-91. 1st edition. B B S, 1991.