APA (7e ed.) Bronvermelding

Sarian, Z. B. (2016). Get to know biofertilizers. IN Agri-talk [column]: What you can use to replace chemical fertilizers. Philippine Panorama.

Chicago (17e ed.) Bronvermelding

Sarian, Zac B. "Get to Know Biofertilizers. IN Agri-talk [column]: What You Can Use to Replace Chemical Fertilizers." Philippine Panorama 2016.

MLA (9e ed.) Bronvermelding

Sarian, Zac B. "Get to Know Biofertilizers. IN Agri-talk [column]: What You Can Use to Replace Chemical Fertilizers." Philippine Panorama, 2016.