APA-referens (7:e uppl.)

Downie, M. (1999). Your Turn: Student's book 1 (1a. ed.). Richmond Publishing.

Chicago-referens (17:e uppl.)

Downie, Michael. Your Turn: Student's Book 1. 1a. ed. Buenos Aires: Richmond Publishing, 1999.

MLA-referens (9:e uppl.)

Downie, Michael. Your Turn: Student's Book 1. 1a. ed. Richmond Publishing, 1999.