Antigua, M. I., Itchon, C., Laya, A. M., & Madamba, G. (1987). Animal Companion Clinic: A systems study. College of Engineering.
Lua i Stíl Chicago (17ú heag.)Antigua, Marcial III, Concepcion Itchon, Ana Maria Laya, agus Glenford Madamba. Animal Companion Clinic: A Systems Study. Diliman, Quezon City: College of Engineering, 1987.
Lua MLA (9ú heag.)Antigua, Marcial III, et al. Animal Companion Clinic: A Systems Study. College of Engineering, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.