Beedle, Lynn S.
John Wiley & Sons, 1958
Buku Teks
Duggal, S.K.
Tata McGraw-Hill, 2000
Buku Teks
Smith, J.C.
John Wiley & Sons, [Date of publication not identified]
Buku Teks
Segui, william T
Thomson, 2007
Buku Teks
Disque, Robert O.
Van Nostrand Reinhold, 1971
Buku Teks