Romulo, B. D. (2013). How much is too much salt? Philippine Panorama.
Chicago-referens (17:e uppl.)Romulo, Beth Day. "How Much Is Too Much Salt?" Philippine Panorama 2013.
MLA-referens (9:e uppl.)Romulo, Beth Day. "How Much Is Too Much Salt?" Philippine Panorama, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.