Cita APA

Jakeman, V., & McDowell, C. (2012). Cambridge Practice Tests for IELTS 1 (20th ed.). Cambridge New York: Cambridge University Press.

Citación estilo Chicago

Jakeman, Vanessa, y Clare McDowell. Cambridge Practice Tests for IELTS 1. 20th ed. Cambridge New York: Cambridge University Press, 2012.

Cita MLA

Jakeman, Vanessa, y Clare McDowell. Cambridge Practice Tests for IELTS 1. 20th ed. Cambridge New York: Cambridge University Press, 2012.