Salud, J. P. (2014). Bamboo: Structurally sound or not? that is the question. Philippine Graphic.
Chicago-viite (17. p.)Salud, Joel Pablo. "Bamboo: Structurally Sound or Not? That Is the Question." Philippine Graphic 2014.
MLA-viite (9. p.)Salud, Joel Pablo. "Bamboo: Structurally Sound or Not? That Is the Question." Philippine Graphic, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.