Hobson, Art
Physics and human affairs
John Wiley & Sons, 1982
Buku Teks
Boardman, Harry
Biology in human affairs
Voice of America, 1974
Buku Teks
Blum, Mark
Bugs in 3-D
Chronicle Books, 1998
Buku Referensi
Bem, Daryl J.
Beliefs, attitudes ang human affairs
Brooks/Cole, 1970
Buku Teks
Lee, Irving J.
Language habits in human affairs: an introduction to general semantics
Harper & Brothers, 1941
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