Dean, Vera Micheles
Rinehart and Winston, 1961
Buku Teks
edited by Ernest K. Lindley
Beacon Press, 1963
Buku Teks
Germann, A.C., author
C.C. Thomas, 1971
Buku Teks
White, Jonathan Randall, author
Wardsworth, 2004
Buku Teks
Becker, Howard Saul, 1928-, author
The Free Press, 1973
Buku Teks