Gaya APA
Ryan, Alan. (1970).
The philosophY of the social science .
New York:
Macmillan.
Gaya Chicago
Ryan, Alan.
The philosophY of the social science.
New York:
Macmillan,
1970.
Text.
Gaya MLA
Ryan, Alan.
The philosophY of the social science.
New York:
Macmillan,
1970.
Text.
Gaya Turabian
Ryan, Alan.
The philosophY of the social science.
New York:
Macmillan,
1970.
Print.