Kirn, E., & Jack, D. (2007). Interactions 1: Grammar. New York: McGraw-Hill/Contemporary.
Chicago Style CitationKirn, Elaine, i Darcy Jack. Interactions 1: Grammar. New York: McGraw-Hill/Contemporary, 2007.
Cita MLAKirn, Elaine, i Darcy Jack. Interactions 1: Grammar. New York: McGraw-Hill/Contemporary, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.