Evans, Grant
Red brotherhood at war : Indochina since the fall of saigon
Verso, 1984
 Buku Teks
Afzalurrahman
Muhammad sebagai seorang pedagang: Muhammad as a trader
Yayasan Swarna Bhumy , 1995
 Buku Teks
Adams, Willam Y.
Shonto: a study of the role of the trader in a modern navaho community
U.S.Government Printing Office, 1963
 Buku Teks
Cleeton, Claud E.
Strategies for the options trader / Claud E. Cleeton.
John Wiley , 1979
 Buku Teks
Beaver, C. Masten
For Yukon trader, three years in an Alaskan wilderness
Exposition Press , 1955
 Buku Teks SO