APA Style
Babin, Barry, Zikmund, William G.. (2013).
Business research methods 9th ed. (9th, International Edition).
Singapore:
Cengage Learning.
Chicago Style
Babin, Barry, Zikmund, William G..
Business research methods 9th ed..
9th, International Edition
Singapore:
Cengage Learning,
2013.
Text.
MLA Style
Babin, Barry, Zikmund, William G..
Business research methods 9th ed..
9th, International Edition
Singapore:
Cengage Learning,
2013.
Text.
Turabian Style
Babin, Barry, Zikmund, William G..
Business research methods 9th ed..
9th, International Edition
Singapore:
Cengage Learning,
2013.
Print.