Citazione Stile APA (7a Edizione)

Medina, J. R., & Callo, D. P. (1999). Empowering farmers: The Philippines National Integrated Pest Management Program (2nd ed.). SEAMEO Regional Center for Graduate Study and Research in Agriculture.

Citazione stile Chigago Style (17a edizione)

Medina, Jose R., e Damaso P. Callo. Empowering Farmers: The Philippines National Integrated Pest Management Program. 2nd ed. Laguna: SEAMEO Regional Center for Graduate Study and Research in Agriculture, 1999.

Citatione MLA (9a ed.)

Medina, Jose R., e Damaso P. Callo. Empowering Farmers: The Philippines National Integrated Pest Management Program. 2nd ed. SEAMEO Regional Center for Graduate Study and Research in Agriculture, 1999.