APA aipamena

Castillo, K., Gavieta, M. C., Guillen, M., Julag-ay, K., & Satumbaga, M. Air Philippines: A company study.

Chicago Style aipamena

Castillo, Katherine, Ma. Corazon Gavieta, Mitzi Guillen, Kathy Julag-ay, and Marion Satumbaga. Air Philippines: A Company Study. 1999.

MLA aipamena

Castillo, Katherine, et al. Air Philippines: A Company Study.