Bradshaw, Michael, author
McGraw-Hill, 2012
Buku Teks
Furley, Peter A.
Butterworth, 1983
Buku Teks
Wheeler, Jesse H.
Henry Holt , 1960
Buku Teks
Alexandersson, Gunnar
Joh Wiley & Sons , 1963
Buku Teks
Deasy, George F.
New York,N.Y. J.B. Lippincott Co. 1958,
Buku Teks