Phillips, B. (1977). Effective business communications. Delmar Pub.
Čikaški stil citiranja (17. izdanje)Phillips, Bonnie. Effective Business Communications. NULL: Delmar Pub, 1977.
MLA način citiranja (9. izdanje)Phillips, Bonnie. Effective Business Communications. Delmar Pub, 1977.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.