Peralta, G. L., Ballesteros, F. C. J., & Cepeda, M. L. (1992). Immobilization techniques for toxic sludge. Philippine Engineering Journal.
Chicago Style (17. basım) AtıfPeralta, Genandrialine L., Feliciano C. Jr Ballesteros, ve Marivie L. Cepeda. "Immobilization Techniques for Toxic Sludge." Philippine Engineering Journal 1992.
MLA (9th ed.) AtıfPeralta, Genandrialine L., et al. "Immobilization Techniques for Toxic Sludge." Philippine Engineering Journal, 1992.
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