Rodriguez, T. A. (2013). Small Ilocos Sur towns are big cauliflower producers. Agriculture.
Lua i Stíl Chicago (17ú heag.)Rodriguez, Tony A. "Small Ilocos Sur Towns Are Big Cauliflower Producers." Agriculture 2013.
Lua MLA (9ú heag.)Rodriguez, Tony A. "Small Ilocos Sur Towns Are Big Cauliflower Producers." Agriculture, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.