Stettler, Howard F.
Prentice-Hall, 1957
Buku Teks
Holmes, Arthur W.
Richard D. Irwin, 1975, 1977
Buku Teks
Holmes, Arthur W.
Richard D. Irwin, 1979
Buku Teks
Holmes, Arthur W.
Richard D. Irwin, 1970
Buku Teks
Silvoso, Joseph A.
Ohio South-Western, 1965
Buku Teks