APA citiranje

Harris, M., Elsworth, S., Rose, J., & Mower, D. (2001). Opportunities, 3er Año de Enseñanza Media: Teacher's book. Antártica Quebecor.

Chicago Style (17th ed.) Citation

Harris, Michael, Steve Elsworth, Jim Rose, and David Mower. Opportunities, 3er Año De Enseñanza Media: Teacher's Book. Santiago: Antártica Quebecor, 2001.

MLA citiranje

Harris, Michael, et al. Opportunities, 3er Año De Enseñanza Media: Teacher's Book. Antártica Quebecor, 2001.