Cassidy, Harold G.
Freeman, Cooper & Company , 1970
Buku Teks
Beiser, Arthur, author
McGraw-Hill, 1964
Buku Teks
Berry, R. Stephen, author
John Wiley & Sons, 1980
Buku Teks
Taylor and Francis, 2000
Buku Teks
Sienko, Michell J., author
McGraw-Hill, 1961
Buku Teks