Gaya APA
Campbell, Donald T.. (1966).
Experimental and quasi experimental design for research .
Boston:
Houghton Mifflin co..
Gaya Chicago
Campbell, Donald T..
Experimental and quasi experimental design for research.
Boston:
Houghton Mifflin co.,
1966.
Text.
Gaya MLA
Campbell, Donald T..
Experimental and quasi experimental design for research.
Boston:
Houghton Mifflin co.,
1966.
Text.
Gaya Turabian
Campbell, Donald T..
Experimental and quasi experimental design for research.
Boston:
Houghton Mifflin co.,
1966.
Print.