Whitsitt, M. E. (1988). Feasibility study manual for cooperatives. Cooperative Foundation Philippines.
Cita Chicago (17th ed.)Whitsitt, Mac E. Feasibility Study Manual for Cooperatives. Quezon City: Cooperative Foundation Philippines, 1988.
Cita MLA (9th ed.)Whitsitt, Mac E. Feasibility Study Manual for Cooperatives. Cooperative Foundation Philippines, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.