Gaya APA
Churchill, Gilbert A.. (1987).
Marketing research methodological foundations Gilbert A. Churchill (4th ed).
New York:
The Dryden Press.
Gaya Chicago
Churchill, Gilbert A..
Marketing research methodological foundations Gilbert A. Churchill.
4th ed
New York:
The Dryden Press,
1987.
Text.
Gaya MLA
Churchill, Gilbert A..
Marketing research methodological foundations Gilbert A. Churchill.
4th ed
New York:
The Dryden Press,
1987.
Text.
Gaya Turabian
Churchill, Gilbert A..
Marketing research methodological foundations Gilbert A. Churchill.
4th ed
New York:
The Dryden Press,
1987.
Print.