edited by Carl K. Seyfert
Van Nostrand Reinhold, 1987
Buku Referensi
Sutherland, Lin
University of New South Wales Press, 1995
Buku Referensi
Keller, Edward A.
Prentice-Hall, 1996
Buku Teks
Shaw, Beth
Springer, 2012
eBooks
Bowler, Sue
Erlangga, 2003
Buku Teks