Freedman, Lawrence, author
Oxford University Press, 2000
Buku Teks
by Martin Agronsky ... [et.al.]
Simon and Schuster, 1961
Buku Teks
Strober, Gerald S., author
Harper Perennial, 1994
Buku Teks
Koster, Ben, author
Anthos, 1991
Buku Teks
Schlesinger, Arthur Meier, author
Fawcett Publications, 1965
Buku Teks