Springer, 2010
eBooks
Monroe, James Stewart, 1938-, author
Wadsworth, 1997
Buku Teks
Butler, B.C.M., author
Longman Scientific & Technical , 1988
Buku Teks
Monroe, James Stewart, 1938-, author
Brooks/Cole, 2012
Buku Teks
Ward, Dederick C.
Scarecrow Press, 1981
Buku Referensi