Παραπομπή σε μορφή APA (7η εκδ.)

Bond, A., & Schuman, N. (2010). 300+ successful business letters for all occasions (3rd ed.). Barrons Educational Series, Inc..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bond, Alan, και Nancy Schuman. 300+ Successful Business Letters for All Occasions. 3rd ed. Hauppauge, NY: Barrons Educational Series, Inc., 2010.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bond, Alan, και Nancy Schuman. 300+ Successful Business Letters for All Occasions. 3rd ed. Barrons Educational Series, Inc., 2010.