Bantola, T., Galicia, M. J., & Honrade, L. D. (2003). A methods engineering study on Albettie Leather Products. College of Engineering.
Lua i Stíl Chicago (17ú heag.)Bantola, Timothy, Mary Jane Galicia, agus Lorrain Down Honrade. A Methods Engineering Study on Albettie Leather Products. Diliman, Quezon City: College of Engineering, 2003.
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