Cita APA (7a ed.)

Blundell, L. (1989). Task listening: Student's book (1st published, 11th printing.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Blundell, Lesley. Task Listening: Student's Book. 1st published, 11th printing. Cambridge [etc.]: Cambridge University Press, 1989.

Cita MLA (9a ed.)

Blundell, Lesley. Task Listening: Student's Book. 1st published, 11th printing. Cambridge University Press, 1989.