Cita APA

McGowen, B., & Richardson, V. (2000). Clockwise: Pre - intermediate : Teacher's book. New York: Oxford University Press.

Chicago Style Citation

McGowen, Bruce., i Vic Richardson. Clockwise: Pre - Intermediate : Teacher's Book. New York: Oxford University Press, 2000.

Cita MLA

McGowen, Bruce., i Vic Richardson. Clockwise: Pre - Intermediate : Teacher's Book. New York: Oxford University Press, 2000.