Παραπομπή σε μορφή APA (7η εκδ.)

Webster, M., & Castanon, L. (1980). Crosstalk: Communication tasks and games for students of English at the elementary level. Student's book 2. O.U.P..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Webster, Megan, και Libby Castanon. Crosstalk: Communication Tasks and Games for Students of English at the Elementary Level. Student's Book 2. Oxford: O.U.P., 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Webster, Megan, και Libby Castanon. Crosstalk: Communication Tasks and Games for Students of English at the Elementary Level. Student's Book 2. O.U.P., 1980.