(1998). Facts for life. Ministry of Information, Govt.of People's Republic of Bangladesh.
Cita Chicago (17th ed.)Facts for Life. Dhaka: Ministry of Information, Govt.of People's Republic of Bangladesh, 1998.
Cita MLA (9th ed.)Facts for Life. Ministry of Information, Govt.of People's Republic of Bangladesh, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.