written by Strategic Communications; edited by Stephen P. Elliott. (1988). The complete book of contemporary business letters. Ridgefield, Conn: Round Lake Pub.
استشهاد بنمط شيكاغوwritten by Strategic Communications; edited by Stephen P. Elliott. The Complete Book of Contemporary Business Letters. Ridgefield, Conn: Round Lake Pub, 1988.
MLA استشهادwritten by Strategic Communications; edited by Stephen P. Elliott. The Complete Book of Contemporary Business Letters. Ridgefield, Conn: Round Lake Pub, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.