T. Elliot Weier ... [and others]
John Wiley & Sons, 1974
Buku Teks
Stern, Kingsley R.
McGraw-Hill, 2003
Buku Teks
Raven, Peter H.
Worth Publisher, 1986
Buku Referensi
Bold, Harold Charles, 1909-
Prentice-Hall, 1987
Buku Teks
by Robert F. Scagel ... [et al.]
Wadsworth , 1965
Buku Teks