APA ציטוט
Guffey, M. E. (1998). Essentials of business communication (4th ed.). South-Western College Pub..
Chicago Style (17th ed.) Citation
Guffey, Mary Ellen. Essentials of Business Communication. 4th ed. Cincinnati, Ohio: South-Western College Pub., 1998.
ציטוט MLA
Guffey, Mary Ellen. Essentials of Business Communication. 4th ed. South-Western College Pub., 1998.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.