editors, Halle M. Luckner, Halle K. Schreiber
Pergamon Press, 1979
Buku Teks
Beevers, Harry Professor.
Harper & Row,, 1961
Buku Teks
edited by James R. Ehleringer, Anthony E. Hall and Graham D. Farquhar
Academic Press, 1993
Buku Teks
Cunningham, Earlene Brown
McGraw-Hill, 1978
Buku Teks
Taylor and Francis, 1997
Buku Teks