Gaya APA
Hopkins, K, D., Glass, G, V. (1978).
Basic statistics for the behavioral sciences .
Englewood Cliff, NJ:
Prentice Hall.
Gaya MLA
Hopkins, Kenneth, D.., Glass, Gene, V..
"Basic statistics for the behavioral sciences".
Englewood Cliff, NJ:
Prentice Hall,
1978.
Text.