Gray, Nicholas, author
CRC Press, 2017
Buku Teks
Williams, Malcolm, 1953-, author
Routledge, 2000
Buku Teks
Shipman, James T., author
D.C. Heath, 1990
Buku Teks
Taylor, Bernard W., author
Prentice-Hall, 2004
Buku Teks
Taylor, Bernard W., author
Pearson Education, 2004
Buku Teks