Romulo, B. D. (2015). Indoor farming comes of age. IN Another day [column]. Philippine Panorama.
Chicago-referens (17:e uppl.)Romulo, Beth Day. "Indoor Farming Comes of Age. IN Another Day [column]." Philippine Panorama 2015.
MLA-referens (9:e uppl.)Romulo, Beth Day. "Indoor Farming Comes of Age. IN Another Day [column]." Philippine Panorama, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.