Gaya APA
COOPER, DONALD R.. (1998).
BUSINESS RESEARCH METHODS .
BOSTON:
MCGRAW HILL.
Gaya Chicago
COOPER, DONALD R..
BUSINESS RESEARCH METHODS.
BOSTON:
MCGRAW HILL,
1998.
Text.
Gaya MLA
COOPER, DONALD R..
BUSINESS RESEARCH METHODS.
BOSTON:
MCGRAW HILL,
1998.
Text.
Gaya Turabian
COOPER, DONALD R..
BUSINESS RESEARCH METHODS.
BOSTON:
MCGRAW HILL,
1998.
Print.