Παραπομπή σε μορφή APA (7η εκδ.)

Gumperz, J. J., & Roberts, C. (1980). Developing Awareness Skills for Interethnic Communication. Seameo Regional Language Centre.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gumperz, John Joseph, και Celia Roberts. Developing Awareness Skills for Interethnic Communication. Singapore: Seameo Regional Language Centre, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gumperz, John Joseph, και Celia Roberts. Developing Awareness Skills for Interethnic Communication. Seameo Regional Language Centre, 1980.