Gaya APA
Pratt, Vernon. (1978).
The philosophY of the social science .
New York:
Methuen.
Gaya Chicago
Pratt, Vernon.
The philosophY of the social science.
New York:
Methuen,
1978.
Text.
Gaya MLA
Pratt, Vernon.
The philosophY of the social science.
New York:
Methuen,
1978.
Text.
Gaya Turabian
Pratt, Vernon.
The philosophY of the social science.
New York:
Methuen,
1978.
Print.