Ayes, S., Buyco, J. D., Dompor, M. L., & Ocampo, E. (2003). A Systems study on Century Pipes Corporation. College of Engineering.
Citazione stile Chigago Style (17a edizione)Ayes, Sheryl, Joyce Dawn Buyco, Maria Lorena Dompor, e Elaine Ocampo. A Systems Study on Century Pipes Corporation. Diliman, Quezon City: College of Engineering, 2003.
Citatione MLA (9a ed.)Ayes, Sheryl, et al. A Systems Study on Century Pipes Corporation. College of Engineering, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.