Arico, R. M. (1985). Packaging materials monitoring system Vegoil Phils., Inc. College of Engineering.
Dyfyniad Arddull ChicagoArico, Ruby M. Packaging Materials Monitoring System Vegoil Phils., Inc. Diliman, Quezon City: College of Engineering, 1985.
Dyfyniad MLAArico, Ruby M. Packaging Materials Monitoring System Vegoil Phils., Inc. College of Engineering, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.