Gaya APA
Tull, Donald S., Hawkins, Del I.. (1990).
Marketing research : measurement & method, 5th ed. (5th ed.).
New York:
Macmillan.
Gaya Chicago
Tull, Donald S., Hawkins, Del I..
Marketing research : measurement & method, 5th ed..
5th ed.
New York:
Macmillan,
1990.
Text.
Gaya MLA
Tull, Donald S., Hawkins, Del I..
Marketing research : measurement & method, 5th ed..
5th ed.
New York:
Macmillan,
1990.
Text.
Gaya Turabian
Tull, Donald S., Hawkins, Del I..
Marketing research : measurement & method, 5th ed..
5th ed.
New York:
Macmillan,
1990.
Print.