APA aipamena

ALLSOP, J. (1988). Penguin english tests book 1. Penguin Books.

Chicago Style aipamena

ALLSOP, Jake. Penguin English Tests Book 1. London: Penguin Books, 1988.

MLA aipamena

ALLSOP, Jake. Penguin English Tests Book 1. Penguin Books, 1988.