Rodriguez, T. A. (2013). Small Ilocos Sur towns are big cauliflower producers. Agriculture.
Citazione stile Chigago Style (17a edizione)Rodriguez, Tony A. "Small Ilocos Sur Towns Are Big Cauliflower Producers." Agriculture 2013.
Citatione MLA (9a ed.)Rodriguez, Tony A. "Small Ilocos Sur Towns Are Big Cauliflower Producers." Agriculture, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.