Style de citation APA (7e éd.)

Predo, C. D. (2003). What motivates farmers?: Tree growing and land use decisions in the grasslands of Claveria, Philippines. Economy and Environment Program for Southeast Asia.

Style de citation Chicago (17e éd.)

Predo, Canesio D. What Motivates Farmers?: Tree Growing and Land Use Decisions in the Grasslands of Claveria, Philippines. Singapore: Economy and Environment Program for Southeast Asia, 2003.

Style de citation MLA (9e éd.)

Predo, Canesio D. What Motivates Farmers?: Tree Growing and Land Use Decisions in the Grasslands of Claveria, Philippines. Economy and Environment Program for Southeast Asia, 2003.