Stocking, George W.
Cartels or competition The economics of international controls by business and government
The Twentieth Century Fund, 1948
 Buku Teks
Hirst, Francis W.
Monopolies, trusts and kartells / by Francis W. Hirst
E.P. Dutton & Co , 1906
 Buku Teks
Adams, Walter, 1922-1998
Monopoly in America : the government as promotor
Macmillan, 1957
 Buku Teks
Stocking, George W.
Cartels in action; case studies in international business diplomacy,
The Twentieth Century Fund , 1949
 Buku Teks
Levy, Hermann
Monopolies, cartels and trusts in British industry / Herman Levy
Macmillan, 1927
 Buku Teks