Cita APA (7th ed.)

Boardman, R. (1979). Over to you: Oral-aural skills for advanced students of English. Cambridge University Press.

Cita Chicago (17th ed.)

Boardman, Roy. Over to You: Oral-aural Skills for Advanced Students of English. Cambridge, England, United Kingdom: Cambridge University Press, 1979.

Cita MLA (9th ed.)

Boardman, Roy. Over to You: Oral-aural Skills for Advanced Students of English. Cambridge University Press, 1979.