Arsenal, R., Cuerda, K. R., Rigor, M., & Sobrevinas, A. (1997). A quality control study on Sanitary Wares Corporation: PF 0900 Heron Washbasin. College of Engineering.
Citazione stile Chigago Style (17a edizione)Arsenal, Ray, Kristine Rose Cuerda, May Rigor, e Arlene Sobrevinas. A Quality Control Study on Sanitary Wares Corporation: PF 0900 Heron Washbasin. Diliman, Quezon City: College of Engineering, 1997.
Citatione MLA (9a ed.)Arsenal, Ray, et al. A Quality Control Study on Sanitary Wares Corporation: PF 0900 Heron Washbasin. College of Engineering, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.