Gaya APA
EBERT, Ronald J.. (2013).
Business Essentials ninth edition (9).
London.:
Pearson education..
Gaya Chicago
EBERT, Ronald J..
Business Essentials ninth edition.
9
London.:
Pearson education.,
2013.
Text.
Gaya MLA
EBERT, Ronald J..
Business Essentials ninth edition.
9
London.:
Pearson education.,
2013.
Text.
Gaya Turabian
EBERT, Ronald J..
Business Essentials ninth edition.
9
London.:
Pearson education.,
2013.
Print.