edited by Michael F. Wood, John A. King, Nicholas P. Cheremisinoff
Noyes Publications, 1997
Buku Referensi
McMullin, Rian E, author
W.W. Norton, 2000
Buku Teks
edited by C. Kenneth Dodd
Oxford University Press, 2016
eBooks
editor, Philip A. Schweitzer
McGraw-Hill, 1979
Buku Referensi
Wiley Blackwell, 2015
Buku Teks