Vaughan, Emmett J., author
John Wiley & Sons, 2001
Buku Teks
Seal, Hilary L., author
John Wiley & Sons, 1978
Buku Teks
Chin, Yee Wah, author
Pearson Prentice Hall, 2004
Buku Teks
Harrington, Scott E., author
McGraw-Hill, 2004
Buku Teks
Harrington, Scott E., author
McGraw-Hill, 2003
Buku Teks