APA način citiranja (7. izdanje)
Comfort, J. a. (1994). Speaking effectively: Developing speaking skills for business english. CUP.
Čikaški stil citiranja (17. izdanje)
Comfort, Jeremy...[et al]. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: CUP, 1994.
MLA način citiranja (9. izdanje)
Comfort, Jeremy...[et al]. Speaking Effectively: Developing Speaking Skills for Business English. CUP, 1994.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.