See Allo

Barton, Jonathan R.

Routledge, 1997

Buku Teks

edited by Louis W. Goodman, William M. LeoGrande, Johanna Mendelson Forman

Westview Press, 1992

Buku Teks

Busey, James L., author

Random House, 1968

Buku Teks

Schwartz, Bernard, author

McGraw-Hill, 1974

Buku Teks

Posner, Richard A., author

Clarendon Press, 1996

Buku Teks