APA (7 ম সংস্করণ) উদ্ধৃতি

Guffey, M. E. (1995). Essentials of business communication (3rd ed.). South-Western College.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Guffey, Mary Ellen. Essentials of Business Communication. 3rd ed. Cincinnati, Ohio: South-Western College, 1995.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Guffey, Mary Ellen. Essentials of Business Communication. 3rd ed. South-Western College, 1995.