Valderrama, H. A. S., & Bautista, C. C. (2009). Efficiency analysis of electric cooperatives in the Philippines. College of Business Administration, University of the Philippines.
Chicago (17e ed.) BronvermeldingValderrama, Helena Agnes S., en Carlos C. Bautista. Efficiency Analysis of Electric Cooperatives in the Philippines. Quezon City: College of Business Administration, University of the Philippines, 2009.
MLA (9e ed.) BronvermeldingValderrama, Helena Agnes S., en Carlos C. Bautista. Efficiency Analysis of Electric Cooperatives in the Philippines. College of Business Administration, University of the Philippines, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.