Sussman, Maurice, author
Prentice-Hall, 1964
Buku Teks
Wilkins, Adam S., author
John Wiley, 1993
Buku Teks
Gilbert, Scott F., author
Massachusetts Sinauer Associates, Inc., 2016
Buku Teks
Henderson, I. F.
Longman, 1975
Buku Referensi
Oxford University Press, 1990
Buku Referensi