Lumley, John L., author
Cambridge University Press, 1999
eBooks
Fraas, Arthur P., author
McGraw-Hill, 1948
Buku Teks
Gates, Bill, author
John Wiley, 1998
Buku Teks
Drexler, K. Eric
Anchor Books, 1990
Buku Teks
Campbell, Ashley S., author
John Wiley & Sons, 1979
Buku Teks