Leadership and social change/Edited by William R. Lassey
Iowa University 1971 ,
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McDougall, William, 1871-1938
An Introduction to social psychology / William McDougall and W.J. Humber
Macmillan, 1966
 Buku Teks SO
Whitman, Douglas
The legal and social environment of business / Douglas Whitman and John William Gergacz
Random House , 1985
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Rich, William
Smaller families through social and economic progress / William Rich
Overseas development Council, 1973
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Davis, William G.
Social relations in a Philippine market : self-interest and subjectivity / William G. Davis
University of California Press, 1973
 Buku Teks SO