APA

Harmer J., Acevedo A. & Lethaby C.Just Right: Pre-intermediate student's book. UK: Heinle Cengage Learning.

Chicago

Harmer Jeremy, Acevedo Ana and Lethaby Carol.Just Right: Pre-intermediate student's book. UK: Heinle Cengage Learning.

Harvard

Harmer J., Acevedo A. and Lethaby C.Just Right: Pre-intermediate student's book. UK: Heinle Cengage Learning.

MLA

Harmer Jeremy, Acevedo Ana and Lethaby Carol.UK: Heinle Cengage Learning. .