Fisher, H.A.L.
Eyre and Spottiswoode , 1935
Buku Teks
Poletiek, Fenna H., author
Psychology Press, 2001
Buku Teks
Fisher, Robert C.
Dickenson Publishing Company, Inc., 1970
Buku Teks
Fisher, Royal P.
Prentice-Hall, 1984
Buku Teks
Fisher, Ronald A., author
Oliver and Boyd , 1950
Buku Teks