APA način citiranja (7. izdanje)

De Celis, E. A. C., Gonzalez Noelle H., & Santos, P. M. (2001). A production and operations management study on Leotax Corporation. College of Engineering.

Čikaški stil citiranja (17. izdanje)

De Celis, Excel Ann C., Gonzalez Noelle H., i Pamela M. Santos. A Production and Operations Management Study on Leotax Corporation. Diliman, Quezon City: College of Engineering, 2001.

MLA način citiranja (9. izdanje)

De Celis, Excel Ann C., et al. A Production and Operations Management Study on Leotax Corporation. College of Engineering, 2001.