Gaya APA
LABOVITZ, Sanford, HAGEDORN, Robert. (1981).
Introduction to social research (3rd.ed).
New York:
Mc Graw-Hill Book Company.
Gaya Chicago
LABOVITZ, Sanford, HAGEDORN, Robert.
Introduction to social research.
3rd.ed
New York:
Mc Graw-Hill Book Company,
1981.
.
Gaya MLA
LABOVITZ, Sanford, HAGEDORN, Robert.
Introduction to social research.
3rd.ed
New York:
Mc Graw-Hill Book Company,
1981.
.
Gaya Turabian
LABOVITZ, Sanford, HAGEDORN, Robert.
Introduction to social research.
3rd.ed
New York:
Mc Graw-Hill Book Company,
1981.
.