edited by Henry Mayer
Cheshire, 1973
Buku Teks
Artikel Jurnal
Ngan, Lucille Lok-Sun
Springer, 2012
eBooks
Dugan, Michael
Melbourne: The MAcmillian Company of Australia; 1984,
Buku Referensi
De Lepervanche, Marie M de
George Allen and Unwin, 1984
Buku Teks