Alexander, L. G. (1977). Practice and progress: An integrated course for pre-intermediate students. London: Longman.
Čikaški stil citiranjaAlexander, L. G. Practice and Progress: An Integrated Course for Pre-intermediate Students. London: Longman, 1977.
MLA način citiranjaAlexander, L. G. Practice and Progress: An Integrated Course for Pre-intermediate Students. London: Longman, 1977.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.