APA Alıntı

Bond, A., & Alan Bond and Nancy Schuman. 300+ successful business letters for all occasions. Hauppauge, NY: Barrons Educational Series, Inc.

Chicago Stili Alıntı

Bond, Alan, ve Alan Bond and Nancy Schuman. 300+ Successful Business Letters for All Occasions. Hauppauge, NY: Barrons Educational Series, Inc.

MLA Alıntı

Bond, Alan, ve Alan Bond and Nancy Schuman. 300+ Successful Business Letters for All Occasions. Hauppauge, NY: Barrons Educational Series, Inc.