Bane, Mary Jo
Basic Books, 1976
Buku Teks
University of Nebraska Press, 1967
Buku Teks
edited by Selden Rodman
Mentor Book , 1960
Buku Teks
Gibbings, W.W., author
Gramedia Pustaka Utama, 2013
Buku Teks
Canby, William C.
West Publishing Company, 1981
Buku Teks