Cita APA (7th ed.)

Ahmed, S. (2010). Learning english: The easy way. Friends' Book.

Cita Chicago (17th ed.)

Ahmed, Sadruddin. Learning English: The Easy Way. Dhaka: Friends' Book, 2010.

Cita MLA (8th ed.)

Ahmed, Sadruddin. Learning English: The Easy Way. Friends' Book, 2010.