Cita APA (7th ed.)

Berman, M. (1978). Practice in the conditional (1a. ed.). Hodder and Stoughton.

Cita Chicago (17th ed.)

Berman, Michael. Practice in the Conditional. 1a. ed. Londres: Hodder and Stoughton, 1978.

Cita MLA (9th ed.)

Berman, Michael. Practice in the Conditional. 1a. ed. Hodder and Stoughton, 1978.