Consunji, M., Diaz, N., Daz, R., Herrera, R., Martin, G., Tan, R., & Yamut, M. (1981). A Systems study on National Steel Corporation. College of Engineering.
Lua i Stíl Chicago (17ú heag.)Consunji, Maridel, Noel Diaz, Rolando Daz, Ramiro Herrera, Gerrard Martin, Raymond Tan, agus Maribel Yamut. A Systems Study on National Steel Corporation. Diliman, Quezon City: College of Engineering, 1981.
Lua MLA (9ú heag.)Consunji, Maridel, et al. A Systems Study on National Steel Corporation. College of Engineering, 1981.
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