Young, James F., author
John Wiley & Sons, 1959
Buku Teks
edited by J.H. Crawford, Jr, Y. Chen, W.A. Sibley
North Holland, 1984
Buku Teks
Watson, Don A. (Donald Arthur), author
McGraw-Hill, c1978
Buku Teks
Lindberg, Roy A., author
Allyn and Bacon, 1990
Buku Teks
Edgar, Carroll
Addison-Wesley Publishing, 1965
Buku Teks