Cita APA (7a ed.)

Emery, S. (2007). Outlook 3: CEF level B1 : teacher's book.

Cita Chicago Style (17a ed.)

Emery, Sue. Outlook 3: CEF Level B1 : Teacher's Book. Australia, 2007.

Cita MLA (9a ed.)

Emery, Sue. Outlook 3: CEF Level B1 : Teacher's Book. 2007.