Steinbeck, John, 1902-1968
The pearl
Dian Rakyat, 1991
 Buku Teks
Baer, Juliur B.
Commodity exchanges and futures trading principles and operating methods
Harper , 1949
 Buku Teks
Commodity derivatives : documenting and understanding commodity derivative products
edited by Edmund Parker and Marcin Perzanowski
Global Law and Business, 2010
 Buku Teks
Zhang, Shengyou
Pearl river : the awakening of the East
Intercontinental Press, 2008
 Buku Teks
Australian commodity statistics
ABARE , 1995
 Buku Teks