Stolle, Carlton, author
McGraw-Hill, 1971
Buku Teks
Chambers, Andrew D., author
Pitman, 1987
Buku Teks
Prueitt, Melvin L., author
Dover Publications, 1975
Buku Teks
Boutell, Wayne S.
University of California Press , 1966
Buku Teks
Ojeda, Oscar Riera, author
Rockport Publishers, 1996
Buku Teks