APA (7th ed.) Citation
Rañola, R. F., & Predo, C. (1997). The opportunity cost approach. In two approaches for estimating the on-site costs of soil erosion in the Philippines. Improving smallholder farming systems in Imperata areas of Southeast Asia.
Chicago Style (17th ed.) Citation
Rañola, Roberto F., and C. Predo. The Opportunity Cost Approach. In Two Approaches for Estimating the On-site Costs of Soil Erosion in the Philippines. Improving Smallholder Farming Systems in Imperata Areas of Southeast Asia. 1997.
MLA (9th ed.) Citation
Rañola, Roberto F., and C. Predo. The Opportunity Cost Approach. In Two Approaches for Estimating the On-site Costs of Soil Erosion in the Philippines. Improving Smallholder Farming Systems in Imperata Areas of Southeast Asia. 1997.
Warning: These citations may not always be 100% accurate.