Zwicky, Fay
University of Western Australia Press, 1986.
Buku Teks
Arnold, Matthew
Oxford University Press, 1925
Buku Teks
Howard D. Weinbrot
Cambridge University Press, 1991
Buku Teks
Narasimhaiah, C.D., author
Motilala Banarsidass, 1987
Buku Teks
Perre, Rudolf van de, 1934-
Davidsfonds/Clauwaert, 1994
Buku Teks