Hughes, J. (2005). Business focus: Elementary (Teacher's book). Oxford: Oxford university press.
Čikaški stil citiranjaHughes, John. Business Focus: Elementary (Teacher's Book). Oxford: Oxford university press, 2005.
MLA način citiranjaHughes, John. Business Focus: Elementary (Teacher's Book). Oxford: Oxford university press, 2005.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.