Valderrama, H. S. (2007). A classification scheme for Philippine electric cooperatives for regulatory purposes. College of Business Administration, University of the Philippines.
Citação do estilo Chicago (17ª ed.)Valderrama, Helena S. A Classification Scheme for Philippine Electric Cooperatives for Regulatory Purposes. Quezon City: College of Business Administration, University of the Philippines, 2007.
Citação MLA (9ª ed.)Valderrama, Helena S. A Classification Scheme for Philippine Electric Cooperatives for Regulatory Purposes. College of Business Administration, University of the Philippines, 2007.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.