Citazione Stile APA (7a Edizione)

Hartley, B., & Viney, P. (1980). Streamline english: Departures : workbook (24th imp.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Hartley, B., e Peter Viney. Streamline English: Departures : Workbook. 24th imp. Oxford: Oxford University Press, 1980.

Citatione MLA (9a ed.)

Hartley, B., e Peter Viney. Streamline English: Departures : Workbook. 24th imp. Oxford University Press, 1980.