Hartley, B. (1992). Streamline English: An intensive English course for intemediate students (Teacher edition). London: Oxford University.
Citação norma ChicagoHartley, Bernard. Streamline English: An Intensive English Course for Intemediate Students (Teacher Edition). London: Oxford University, 1992.
Citação norma MLAHartley, Bernard. Streamline English: An Intensive English Course for Intemediate Students (Teacher Edition). London: Oxford University, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.