Urich, P. B. (2000). Deforestation and declining irrigation in Bohol. Philippine Quarterly of Culture & Society.
Citazione stile Chigago Style (17a edizione)Urich, Peter B. "Deforestation and Declining Irrigation in Bohol." Philippine Quarterly of Culture & Society 2000.
Citatione MLA (9a ed.)Urich, Peter B. "Deforestation and Declining Irrigation in Bohol." Philippine Quarterly of Culture & Society, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.