Citazione Stile APA (7a Edizione)
Viney, P., & Hartley, B. (1990). Streamline English Directions: An intensive English course for upper intermedite students (1a. ed.). Oxford University Press.
Citazione stile Chigago Style (17a edizione)
Viney, Peter, e Bernard Hartley. Streamline English Directions: An Intensive English Course for Upper Intermedite Students. 1a. ed. Buenos Aires: Oxford University Press, 1990.
Citatione MLA (9a ed.)
Viney, Peter, e Bernard Hartley. Streamline English Directions: An Intensive English Course for Upper Intermedite Students. 1a. ed. Oxford University Press, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.