Cita APA

Dixson, R. J. 1., & Dixson, R. J. 1. (1960). Exercises in English conversation: Book 1 (New rev. edition.). Maryland: American Mathematical Society.

Citación estilo Chicago

Dixson, Robert James 1908-1963, y Robert James 1908-1963 Dixson. Exercises in English Conversation: Book 1. New rev. edition. Maryland: American Mathematical Society, 1960.

Cita MLA

Dixson, Robert James 1908-1963, y Robert James 1908-1963 Dixson. Exercises in English Conversation: Book 1. New rev. edition. Maryland: American Mathematical Society, 1960.