APA aipamena

Balmaceda, M. C. D. (2009). Ingenium 2009: GearEngg up for 100: ibang klasEngg homecoming. UP Alumni Engineers.

Chicago Style aipamena

Balmaceda, Ma. Concepcion DS. Ingenium 2009: GearEngg Up for 100: Ibang KlasEngg Homecoming. Diliman, Quezon City: UP Alumni Engineers, 2009.

MLA aipamena

Balmaceda, Ma. Concepcion DS. Ingenium 2009: GearEngg Up for 100: Ibang KlasEngg Homecoming. UP Alumni Engineers, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.