Gaya APA
J., E., R., W., G., R. (2013).
Business Essentials Ninth Edition (Ed.ke-9).
Oxford, UK., Cambridge, Mass:
Pearson Education.
Gaya MLA
Ebert, Ronald, J.., Griffin, Ricky, W..
"Business Essentials Ninth Edition".
Ed.ke-9
Oxford, UK., Cambridge, Mass:
Pearson Education,
2013.
Textbook.