Santos, T. M., & Salita, D. C. (1980). The changing legal environment and its impact on the development of the Philippine mineral industry. Department of Geology and Geography, University of the Philippines.
Chicago Style (17. basım) AtıfSantos, Teodoro M., ve Domingo C. Salita. The Changing Legal Environment and Its Impact on the Development of the Philippine Mineral Industry. Quezon City: Department of Geology and Geography, University of the Philippines, 1980.
MLA (9th ed.) AtıfSantos, Teodoro M., ve Domingo C. Salita. The Changing Legal Environment and Its Impact on the Development of the Philippine Mineral Industry. Department of Geology and Geography, University of the Philippines, 1980.
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