Stephen M. Horan, editor
John Wiley & Sons, 2009
Buku Teks
Hallman, G. Victor, author
McGraw-Hill , 1983
Buku Teks
Hallman, G. Victor, author
McGraw-Hill, 1987
Buku Teks
Putnam, Mabel Raef
Charles Scribner's, 1954
Buku Teks
Amling, Frederick, author
Irwin, 1986
Buku Teks