Gaya APA
Hays, William L.. (1973).
Statistics for the social sciences .
New York:
Holt.
Gaya Chicago
Hays, William L..
Statistics for the social sciences.
New York:
Holt,
1973.
Text.
Gaya MLA
Hays, William L..
Statistics for the social sciences.
New York:
Holt,
1973.
Text.
Gaya Turabian
Hays, William L..
Statistics for the social sciences.
New York:
Holt,
1973.
Print.