Παραπομπή σε μορφή APA (7η εκδ.)

Webster, M., & Castanon, L. (1980). Crosstalk: Communication tasks ansd games for students of English at the intermediate level : student's book 3. O.U.P..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Webster, Megan, και Libby Castanon. Crosstalk: Communication Tasks Ansd Games for Students of English at the Intermediate Level : Student's Book 3. Oxford: O.U.P., 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Webster, Megan, και Libby Castanon. Crosstalk: Communication Tasks Ansd Games for Students of English at the Intermediate Level : Student's Book 3. O.U.P., 1980.