Cita APA (7a ed.)

Thompson, S. (2005). Business class: Teacher's book (1st published, 3rd impression.). Longman.

Cita Chicago Style (17a ed.)

Thompson, Steve. Business Class: Teacher's Book. 1st published, 3rd impression. Harlow: Longman, 2005.

Cita MLA (9a ed.)

Thompson, Steve. Business Class: Teacher's Book. 1st published, 3rd impression. Longman, 2005.

Precaución: Estas citas no son 100% exactas.