Cita APA (7th ed.)

Islam, R. (1970). An introduction to collequial Bengali. CBDB.

Cita Chicago (17th ed.)

Islam, Rafiqul. An Introduction to Collequial Bengali. Dhaka: CBDB, 1970.

Cita MLA (9th ed.)

Islam, Rafiqul. An Introduction to Collequial Bengali. CBDB, 1970.