Mendoza, M. E., Ong. Michael, & Pascual, K. (1992). Asgard Corrugated Box a production systems study. College of Engineering.
Cita Chicago (17th ed.)Mendoza, Ma. Eleanor, Ong. Michael, i Kathleen Pascual. Asgard Corrugated Box a Production Systems Study. Diliman, Quezon City: College of Engineering, 1992.
Cita MLA (9th ed.)Mendoza, Ma. Eleanor, et al. Asgard Corrugated Box a Production Systems Study. College of Engineering, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.