APA aipamena

Cotton D. David, Falvey D. David, & Kent S. Simon. (2008). Market Leader. Pre-Intermediate Business English: Course Book. Harlow, Longman, 2008.

Chicago Style aipamena

Cotton D. David, Falvey D. David, and Kent S. Simon. Market Leader. Pre-Intermediate Business English: Course Book. Harlow, Longman, 2008, 2008.

MLA aipamena

Cotton D. David, et al. Market Leader. Pre-Intermediate Business English: Course Book. Harlow, Longman, 2008, 2008.