Weber, Janet, author
J.B. Lippincott, 2003
Buku Teks
Frame, Janet
Sun Books, 1981
Buku Teks
Frame, Janet.
G. Braziller, 1972
Buku Teks
Mayo, Elton, author
Harvard University Press, 1948
Buku Teks
Hasluck, Alexandra
Oxford University Press, 1965
Buku Teks