Barth, Lester George, author
Holt, Rinehart and Winston, 1966
Buku Teks
Langman, Jan, author
Igaku Shoin, 1969
Buku Teks
Gilbert, Scott F., author
Sinauer Associattes, 2000
Buku Teks
Karp, Gerald, author
McGraw-Hill, 1981
Buku Teks
Hopper, Arthur F., author
Oxford University Press, 1985
Buku Teks