Παραπομπή σε μορφή APA (7η εκδ.)

Armistead, C. G., & Clark, G. (1993). Customer service and support: Implementing effective strategies. Pitman publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Armistead, Colin G., και Graham Clark. Customer Service and Support: Implementing Effective Strategies. London: Pitman publishing, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Armistead, Colin G., και Graham Clark. Customer Service and Support: Implementing Effective Strategies. Pitman publishing, 1993.