edited by John A. Dean, Norbert Adolph Lange
McGraw-Hill, 1985
Buku Referensi
Buthod, Paul
Buku Teks
Stansfield, Richard H., author
The Dartnell Corporation, 1985
Buku Teks
Mackerras, Colin, author
Cambridge University Press, 1991
Buku Teks
Woodson, R. Dodge, author
Elsevier, 2012
Buku Teks