Gaya APA
Cooper,Donald R. (2015).
Business Research Methods .
New York:
Mc Graw-Hill.
Gaya Chicago
Cooper,Donald R.
Business Research Methods.
New York:
Mc Graw-Hill,
2015.
Text.
Gaya MLA
Cooper,Donald R.
Business Research Methods.
New York:
Mc Graw-Hill,
2015.
Text.
Gaya Turabian
Cooper,Donald R.
Business Research Methods.
New York:
Mc Graw-Hill,
2015.
Print.