Ferguson, Wallace K., author
Sir Isaac Pitman & Sons, [date of publication not identified]
Buku Teks
Naidis, Mark, author
Dryden Press, 1972
Buku Teks
Croiset, Maurice
F. S. Crofts, 1951
Buku Teks
Li, Xiaodong, author
China Renmin University Press, 2015
eBooks
editors, A. Barav, D.A. Wyatt, ; asisten editor, Joan Wyatt
Clarendon Press, 1989
Buku Referensi