APA aipamena

De Castro, D. M., Sarmiento, J., & Siapno, E. (2003). A methods engineering study on Stelleca Enterprises, Inc. College of Engineering.

Chicago Style aipamena

De Castro, Diana May, Jonah Sarmiento, and Edmarie Siapno. A Methods Engineering Study on Stelleca Enterprises, Inc. Diliman, Quezon City: College of Engineering, 2003.

MLA aipamena

De Castro, Diana May, et al. A Methods Engineering Study on Stelleca Enterprises, Inc. College of Engineering, 2003.