Salud, J. P. (2014). Bamboo: Structurally sound or not? that is the question. Philippine Graphic.
Chicago-referens (17:e uppl.)Salud, Joel Pablo. "Bamboo: Structurally Sound or Not? That Is the Question." Philippine Graphic 2014.
MLA-referens (9:e uppl.)Salud, Joel Pablo. "Bamboo: Structurally Sound or Not? That Is the Question." Philippine Graphic, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.