APA (7e ed.) Bronvermelding

Opiña, A., Pacial, D. R., Agregado, A., Al-Mahdi, S., Dalisay, J., Cadabona, K. D., & Asuncion, S. G. (2011). Incidence of hepatitis-B virus infection among formal garbage collectors in Baguio City. Saint Louis University Research Journal.

Chicago (17e ed.) Bronvermelding

Opiña, Ann, Devon Ray Pacial, Aiza Agregado, Seham Al-Mahdi, Jennifer Dalisay, Kevin Dave Cadabona, en Sunshine Glory Asuncion. "Incidence of Hepatitis-B Virus Infection Among Formal Garbage Collectors in Baguio City." Saint Louis University Research Journal 2011.

MLA (9e ed.) Bronvermelding

Opiña, Ann, et al. "Incidence of Hepatitis-B Virus Infection Among Formal Garbage Collectors in Baguio City." Saint Louis University Research Journal, 2011.