Kerlinger, Fred Nichols, 1910-
Foundations of behavioral research
Holt, Rinehart and Winston, 1964
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Kerlinger, Fred Nichols, 1910-
Foundations of behavioral research
Harcourt Brace College Publishers, 1973
 Buku Teks SO
Kerlinger, Fred Nichols, 1910-
Foundations of behavioral research
Harcourt Brace College Publishers, 1992
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Luchins, Abraham S.
Logical foundations of mathematics for behavioral scientists
Holt, Rinehart and Winston, 1965
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Churchill, Gilbert A.
Marketing research : methodological foundations
Dryden Press, 1995
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