Whitsitt, M. E. (1988). Feasibility study manual for cooperatives. Cooperative Foundation Philippines.
Citazione stile Chigago Style (17a edizione)Whitsitt, Mac E. Feasibility Study Manual for Cooperatives. Quezon City: Cooperative Foundation Philippines, 1988.
Citatione MLA (9a ed.)Whitsitt, Mac E. Feasibility Study Manual for Cooperatives. Cooperative Foundation Philippines, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.