Cita APA (7a ed.)

Livingstone, C. (1983). Role play in language learning (1st. ed.). Longman.

Cita Chicago Style (17a ed.)

Livingstone, Carol. Role Play in Language Learning. 1st. ed. England: Longman, 1983.

Cita MLA (9a ed.)

Livingstone, Carol. Role Play in Language Learning. 1st. ed. Longman, 1983.