Hartley, B., & Viney, P. Streamline english. Destinations: Speechwork tapescript (5a ed.).
Cita Chicago (17th ed.)Hartley, Bernard, i Peter Viney. Streamline English. Destinations: Speechwork Tapescript. 5a ed.
Cita MLA (8th ed.)Hartley, Bernard, i Peter Viney. Streamline English. Destinations: Speechwork Tapescript. 5a ed.
Atenció: Aquestes cites poden no estar 100% correctes.