Cita APA

Barton, L., & Sardinas, C. D. 1. (2004). NorthStar: Reading and writing, intermediate (2. edition.). New York, New York: Longman.

Citación estilo Chicago

Barton, Laurie, y Carolyn Dupaquier 1966- Sardinas. NorthStar: Reading and Writing, Intermediate. 2. edition. New York, New York: Longman, 2004.

Cita MLA

Barton, Laurie, y Carolyn Dupaquier 1966- Sardinas. NorthStar: Reading and Writing, Intermediate. 2. edition. New York, New York: Longman, 2004.