Skinner, Brian J., author
John Wiley & Sons, 1987
Buku Teks
Plummer, Charles C., author
McGraw-Hill, 2013
Buku Teks
Plummer, Charles C., author
WBC, 1991
Buku Teks
Longwell, Chester R., author
John Wiley & Sons, 1969
Buku Teks
edited by D. Poche, C.M. Woolheater
Burgess, 1967
Buku Teks