Rowland, Howard S., author
An Aspen Publication, 1984
Buku Teks
Robinson, Geoffrey A.
Butterworth, 1966
Buku Teks
McGraw-Hill, [date of publication not identified]
Buku Teks
Mereddy, Ranjit, 1968- author
McGraw-Hill, 2012
Buku Teks
Nemeth, Evi, author
Prentice-Hall, 1989
Buku Referensi