Pough, F. Harvey, author
Prentice-Hall, 1996
Buku Teks
Pough, F. Harvey, author
Prentice-Hall, 1999
Buku Teks
Orr, Robert T., author
Saunders, 1976
Buku Teks
Romer, Alfred Sherwood, author
Saunders College, 1977
Buku Teks
Romer, Alfred Sherwood, author
Saunders College, 1985
Buku Teks