Koch, E. (1985). Officialisation of cooperatives in developing countries. Fridrich-Ebert-Stiftung.
Cita Chicago (17th ed.)Koch, Eckard. Officialisation of Cooperatives in Developing Countries. Bonn: Fridrich-Ebert-Stiftung, 1985.
Cita MLA (9th ed.)Koch, Eckard. Officialisation of Cooperatives in Developing Countries. Fridrich-Ebert-Stiftung, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.