MacPherson, I. (1996). Cooperative principles for the 21st century. International Cooperative Alliance.
Cita Chicago Style (17a ed.)MacPherson, Ian. Cooperative Principles for the 21st Century. Geneva: International Cooperative Alliance, 1996.
Cita MLA (9a ed.)MacPherson, Ian. Cooperative Principles for the 21st Century. International Cooperative Alliance, 1996.
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