Aliga, A., Mamutuk, N. R., Saquing, F., Sy, B., & Tupaz, J. (1992). A Feasibility study on the locally made electro-cardiograph. College of Engineering.
Citação norma ChicagoAliga, Alma, Nattalie R. Mamutuk, Flordeliz Saquing, Bernabeth Sy, and Jovi Tupaz. A Feasibility Study on the Locally Made Electro-cardiograph. Diliman, Quezon City: College of Engineering, 1992.
Citação norma MLAAliga, Alma, et al. A Feasibility Study on the Locally Made Electro-cardiograph. College of Engineering, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.