Raven, Peter H., author
Worth Publishers, 1992
Buku Teks
Kaufman, Peter B.; Carlson, Thomas F.; Dayanandan, P.; Evans, Michael L.; Fisher, Jack B.; Parks, Clifford; Wells, James R.
Harper & Row, 1989
Buku Referensi
Stern, Kingsley R.
McGraw-Hill, 2000
Buku Teks
Huxley, Anthony
Four Walls Eight Windows, 1984
Buku Teks
Henslow, John Stevens, author
cambridge University Press, 2013
Buku Teks