edited by David Ewen
Random House, 1966
Buku Teks
Ewen, David, author
H.W. Wilson, 1962
Buku Referensi
Ewen, David, author
H.W. Wilson, 1962
Buku Teks
compiled and edited By David Ewen
H.W. Wilson, 1962
Buku Teks
by Thomas L. Hartshorne ... [and others]
Longman, 2003
Buku Teks