Gaya APA
Thomas, J, P. et al (1997).
Effective business communications / Herta A. Murphy (Ed.ke-7).
New York:
The Mcgraw-Hill Companies, Inc.
Gaya MLA
Thomas, Jane, P.. et al.
"Effective business communications / Herta A. Murphy".
Ed.ke-7
New York:
The Mcgraw-Hill Companies, Inc,
1997.
Textbook.