Powers, Peter E., author
CRC Press, 2011
Buku Teks
edited by Frederick C. Allard
McGraw-Hill, 1990
Buku Referensi
edited by Helmut F. Wolf
Garland STPM Press, 1979
Buku Referensi
edited by Frederick C. Allard
McGraw-Hill, 1989
Buku Referensi
Guenther, Robert D., author
John Wiley & Sons, 1990
Buku Teks