Cita APA (7a ed.)
Kirn, E., & Jack, D. (1996). Interactions one: <a> communicative grammar (3rd ed.). The McGraw-Hill Companies.
Cita Chicago Style (17a ed.)
Kirn, Elaine, y Darcy Jack. Interactions One: <a> Communicative Grammar. 3rd ed. New York: The McGraw-Hill Companies, 1996.
Cita MLA (9a ed.)
Kirn, Elaine, y Darcy Jack. Interactions One: <a> Communicative Grammar. 3rd ed. The McGraw-Hill Companies, 1996.
Precaución: Estas citas no son 100% exactas.