Ballard, G.A.
London Duckworth 1927
Buku Teks
East, W. Gordon
Methuen, 1950
Buku Teks
Lerner, Abba P. (Abba Ptachya), 1903-1982, author
Harcourt Brace Jovanovich, 1980
Buku Teks
Borner, Katy, author
London : MIT press, 2015
Buku Referensi
Smith, Michael Sharwood, 1942-, author
Cambridge University Press, 2017
Buku Teks