Valderrama, H. S. (2007). A classification scheme for Philippine electric cooperatives for regulatory purposes. College of Business Administration, University of the Philippines.
Цитирование в стиле Чикаго (17-е изд.)Valderrama, Helena S. A Classification Scheme for Philippine Electric Cooperatives for Regulatory Purposes. Quezon City: College of Business Administration, University of the Philippines, 2007.
Цитирование MLA (9-е изд.)Valderrama, Helena S. A Classification Scheme for Philippine Electric Cooperatives for Regulatory Purposes. College of Business Administration, University of the Philippines, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.