Crane, Burton
Simon and Schuster , 1959
Buku Teks
Krow, Harvey A.
Random House , 1969
Buku Teks
Anderson, Frank Russel
John Wiley & Sons, 1978
Buku Teks
Pierce, Phyllis S.
Irwin, 1996
Buku Referensi
Owens, Richard N.
Homewood, Ill. Richard D. Irwin, Inc , 1958
Buku Teks