Davis, Kenneth R.
John Wiley & Sons, 1981
Buku Teks
Constantin, James A.
Appleton-Century-Crofts, 1966
Buku Teks
Lorie, James H.
NMcGraw-Hill , 1951
Buku Teks
Lovelock, Christopher H.
Pearson Education international, 2002
Buku Teks
Enis, Ben M.
Goodyear, 1974
Buku Teks