Boyd, Harper W., Jr., author
Richard D. Irwin, 1958
Buku Teks
Lovelock, Christopher H., author
McGraw-Hill, 1985
Buku Teks
Cravens, David W., author
McGraw-Hill Irwin, 2002
Buku Teks
Swayne, Linda E., author
Prentice-Hall International, 1989
Buku Teks
edited by E. Jerome McCarthy, John F. Grashof, Andrew A. Brogowicz
Richard D. Irwin, 1984
Buku Teks