Goshay, Robert C.
R.D. Irwin , 1964
Buku Teks
Greider, Janice E.
Richard D. Irwin, 1974
Buku Teks
Huebner, S. S.
Appleton-Century Crafts, 1958
Buku Teks
Huebner, S. S.
Appleton Century Crofts, 1972
Buku Teks
Black, Kenneth
Prentice-Hall, 1988
Buku Teks