Sonntag, Richard E., author
John Wiley & Sons, 1982
Buku Teks
Sears, Francis W. (Francis Weston), 1898-1975, author
Addison-Wesley, 1975
Buku Teks
Upadhyaya, G.S., author
Pergamon Press, 1977
Buku Teks
Nash, K. Leonard, author
Addison-Wesley, 1969
Buku Teks
Balzhiser, Richard E., author
Prentice Hall of India, 1977
Buku Teks