Cita APA

Harrison, L., Snelling, R., & Travis, P. (2021). Practice tests for IELTS (First edition.). HarperCollins.

Citación estilo Chicago

Harrison, Louis, Rhona Snelling, and Peter Travis. Practice Tests for IELTS. First edition. New York: HarperCollins, 2021.

Cita MLA

Harrison, Louis, et al. Practice Tests for IELTS. First edition. HarperCollins, 2021.

Warning: These citations may not always be 100% accurate.