Overmyer, Grace
New York University Press 1957
Buku Teks
Rice, Charles, author
Bloomsbury Academic, 2016
Buku Teks
Wilson, Chris, author
University of California Press, 2003
Buku Teks
Talon, Henri A.
London Longmans 1956
Buku Teks
Mottram, R.H.
London Longmans 1953
Buku Teks