Fraser, Marshall, author
Page Ficklin, 1974
Buku Teks
Stevens, Lee A., author
Wadsworth, 1970
Buku Teks
Hoffer, Alan R., author
Prindle, Weber & Schmidt, 1969
Buku Teks
Anton, Howard, author
John Wiley & Sons, 1984
Buku Teks
Kolman, Bernard, 1932-, author
Macmillan, 1970
Buku Teks