edited by Thomas H Briggs, Max J. Herzberg, Emma Miller Bolenius
Mifflin , 1932
Buku Teks
Ruchs, Barbara
New York : Routledge , 2004
Buku Teks
Dewi Utami Savitri
2013
UI - Tesis (Membership)
Maugham, W. Somerset
Garden City Doubleday 1948
Buku Teks
Kamsiah M. Bostock
Kamsiah Binti Mohammad, 2011
Buku Teks