Fitch, Ernest C., author
McGraw-Hill, 1966
Buku Teks
Ramamrutham, S.
Nai Sarak, New Delhi: Dhanpat Rai and Sons, 1986
Buku Teks
editors, Ruth B.S. Harris, Richard D. Mattes
CRC Press, Taylor & Francis Group, 2008
Buku Teks
McConnell, Edwina A., author
J.B. Lippincott, 1987
Buku Teks
Fisher, Gene H.
N.Y. American Elseview , 1971
Buku Teks