Young, Robert
Routledge, 1990
Buku Teks
Willard, Myra
Melbourne University Press, 1923
Buku Teks
Isenberg, Nancy, author
Penguin Books, 2017
Buku Teks
McNeill, William H., author
University of Chicago Press, 1963
Buku Teks
McNeill, William H., author
University of Chicago, 1963
Buku Teks