Robinson, Paul W.
Experimental psychology : a small-N approach
Harper & Row, 1979
 Buku Teks SO
Christensen, Larry B., 1941-
Research methods, design, and analysis
Pearson Education, 2015
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Daniel, Cuthbert
Applications of statistics to industrial experimentation
John Wiley & Sons, 1976
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Doebelin, Ernest O.
Engineering experimentation: planning, execution, reporting
McGraw-Hill, 1966
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Festinger, Leon, 1919-1989
A theory of cognitive dissonance
Stanford University Press, 1962
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