Thompson, W. Scott (Willard Scott), 1942-, author
University of Queensland Press, 1977
Buku Teks
Pike, Douglas, 1908-1974, author
MIT Press, 1968
Buku Teks
Macmillan Digital USA, 1995
Multimedia
Souter, Gerry, author
Andre Deutsch, 2015
Buku Referensi
editor in chief, Stanley I. Kutler
Charles Scribner's Sons, 1996
Buku Referensi