Hartley, B. (1992). Streamline English: An intensive English course for intemediate students (Teacher edition). London: Oxford University.
Styl cytowania ChicagoHartley, Bernard. Streamline English: An Intensive English Course for Intemediate Students (Teacher Edition). London: Oxford University, 1992.
Styl cytowania MLAHartley, Bernard. Streamline English: An Intensive English Course for Intemediate Students (Teacher Edition). London: Oxford University, 1992.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..