Gaya APA

Kimbrough, V., Jones, L. (1987). Great Ideas : Listening and speaking activies for students of American English . USA:: London: Cambridge University Press; 1977.

Gaya MLA

Kimbrough, Victoria., Jones, Leo. "Great Ideas : Listening and speaking activies for students of American English". USA:: London: Cambridge University Press; 1977, 1987. Text.