Cita APA

Kirn, E., & Jack, D. (2007). Interactions 1: Grammar. New York: McGraw-Hill/Contemporary.

Chicago Style Citation

Kirn, Elaine, i Darcy Jack. Interactions 1: Grammar. New York: McGraw-Hill/Contemporary, 2007.

Cita MLA

Kirn, Elaine, i Darcy Jack. Interactions 1: Grammar. New York: McGraw-Hill/Contemporary, 2007.