Cita APA (7th ed.)

O'Neill, R., Anger, L., & Davy, K. (1981). AKL beginning. Longman.

Cita Chicago (17th ed.)

O'Neill, Robert, Larry Anger, i Karen Davy. AKL Beginning. New York: Longman, 1981.

Cita MLA (9th ed.)

O'Neill, Robert, et al. AKL Beginning. Longman, 1981.