Ces, K., Magno, C. O. M., & Po, M. T. A. (1999). A methods engineering study on Does Enterprises. College of Engineering.
Citazione stile Chigago Style (17a edizione)Ces, Kathy, Cheryl Omega M. Magno, e Marie Therese A. Po. A Methods Engineering Study on Does Enterprises. Diliman, Quezon City: College of Engineering, 1999.
Citatione MLA (9a ed.)Ces, Kathy, et al. A Methods Engineering Study on Does Enterprises. College of Engineering, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.