Balmaceda, M. C. D. (2012). Ingenium 2012: Engineering synergy 2012. UP Alumni Engineers.
Dyfyniad Arddull ChicagoBalmaceda, Ma. Concepcion DS. Ingenium 2012: Engineering Synergy 2012. Diliman, Quezon City: UP Alumni Engineers, 2012.
Dyfyniad MLABalmaceda, Ma. Concepcion DS. Ingenium 2012: Engineering Synergy 2012. UP Alumni Engineers, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.