APA (7e ed.) Bronvermelding

Balmaceda, M. C. D. (2013). Ingenium 2013: Timeless strength, engineered to last. UP Alumni Engineers.

Chicago (17e ed.) Bronvermelding

Balmaceda, Ma. Concepcion DS. Ingenium 2013: Timeless Strength, Engineered to Last. Diliman, Quezon City: UP Alumni Engineers, 2013.

MLA (9e ed.) Bronvermelding

Balmaceda, Ma. Concepcion DS. Ingenium 2013: Timeless Strength, Engineered to Last. UP Alumni Engineers, 2013.