Cooperative Foundation Philippines. (1989). A Directory of cooperatives, self-help groups, samahang nayons, associations and federations. Cooperative Foundation Philippines.
Citazione stile Chigago Style (17a edizione)Cooperative Foundation Philippines. A Directory of Cooperatives, Self-help Groups, Samahang Nayons, Associations and Federations. Quezon City: Cooperative Foundation Philippines, 1989.
Citatione MLA (9a ed.)Cooperative Foundation Philippines. A Directory of Cooperatives, Self-help Groups, Samahang Nayons, Associations and Federations. Cooperative Foundation Philippines, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.