Wales, H. G. Quaritch
Bernard Quaritch, 1957
Buku Teks
Richard D. Irwin, Inc. , 1958
Buku Teks
Oxford University Press , 1989
Buku Teks
Palmer, Nettie
University of Queensland Press, 1988
Buku Teks
Cregier, Don M.
University Of Missouri Press, 1976
Buku Teks