Sarian, Z. B. (2017). Probiotics can reduce feed costs. IN Agri Plain Talk [column]. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Sarian, Zacarias B. "Probiotics Can Reduce Feed Costs. IN Agri Plain Talk [column]." Manila Bulletin 2017.
Lua MLA (9ú heag.)Sarian, Zacarias B. "Probiotics Can Reduce Feed Costs. IN Agri Plain Talk [column]." Manila Bulletin, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.