Hilgard, Ernest R. (Ernest Ropiequet), 1904-2001
Theories of learning / Ernest R. Hilgard; editor, Richard M. Elliott
Applenton-Century-Crofts, Inc., 1956
 Buku Teks SO
Spencer, Lyle M.
Competence at work/ Lyle M. Spencer, Signe M. Spencer
John Wiley & Sons, 1993
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Stelzer, Irwin M.
Energy policy: capitalism anyone / Irwin M. Stelzer
International Institute for Economic Research, 1980
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Pious, Richard M.
The American presidency/ Richard M.
Basic Books, 1944
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Suinn, Richard M.
Anxiety management training : a behavior therapy / Richard M. Suinn
Plenum Press, 1990
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