APA (7e ed.) Bronvermelding

Peralta, G. L., Ballesteros, F. C. J., & Cepeda, M. L. (1992). Immobilization techniques for toxic sludge. Philippine Engineering Journal.

Chicago (17e ed.) Bronvermelding

Peralta, Genandrialine L., Feliciano C. Jr Ballesteros, en Marivie L. Cepeda. "Immobilization Techniques for Toxic Sludge." Philippine Engineering Journal 1992.

MLA (9e ed.) Bronvermelding

Peralta, Genandrialine L., et al. "Immobilization Techniques for Toxic Sludge." Philippine Engineering Journal, 1992.