Cita APA

Johnson, D. M. ,., & Roen, D. H. ,. (1989). Richness in writing: Empowering ESL students. New York: Longman.

Chicago Style Citation

Johnson, Donna M. ,, i Duane H. Roen. Richness in Writing: Empowering ESL Students. New York: Longman, 1989.

Cita MLA

Johnson, Donna M. ,, i Duane H. Roen. Richness in Writing: Empowering ESL Students. New York: Longman, 1989.