Benge, Sophie
Periplus Editions (HK) Ltd., 1999
Buku Referensi
Dark, Eleanor, 1901-
Collins, 1941
Buku Teks
Hartstein, Morris E., editor
Springer, 2012
eBooks
editor; Jack Challem
Basic Health Publication, Inc., 2009
Buku Teks
Dark, Eleanor, 1901-
Collins, 1941
Koleksi Publik