Friedland, w. H. (1969). Vuta kamba: The development of trade unions in tangayika. hoover institution.
Cita Chicago (17th ed.)Friedland, william H. Vuta Kamba: The Development of Trade Unions in Tangayika. California: hoover institution, 1969.
Cita MLA (9th ed.)Friedland, william H. Vuta Kamba: The Development of Trade Unions in Tangayika. hoover institution, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.