Parker, Mark
Cambridge University Press, 2009
eBooks
Leeming, Glenda
Macmillan, 1989
Buku Teks SO
Lewis, C. Day
Jonathan Cape, 1949
Koleksi Publik
Brown, Richard H.
Cambridge University Press, 1977
Buku Teks SO
edited by Ralp Braibanti; Hugh Tinker; Bermard S. Cohn; David C. Potter; James F. Guyot; Sir Charles Collins; Robert N. Kearney; RObert O. Tilman; Merrill Googall
Duke University Press , 1966
Buku Teks SO