Hamilton, Alexander
Columbia University Press , 1934
Buku Teks
Shepherd, Geoffrey S.
Iowa State University Press, 1968
Buku Teks
edited by E.L. Baum, Howard G. Diesslin and Earl O. Heady
Iowa State University Press, 1961
Buku Teks
Benedict, Murray R.
Univ. of California Vavision of Agricultural Science , 1960
Buku Teks
Dolan, John F.
Warren, Gorham & Lamont, 1991
Buku Teks