Cita APA

Portugal, R. F., & Reyes, D. D. The domestic resource cost analysis of copper smelting in the Philippines.

Citación estilo Chicago

Portugal, Roque Francisco, and Daniel Delfin Reyes. The Domestic Resource Cost Analysis of Copper Smelting in the Philippines.

Cita MLA

Portugal, Roque Francisco, and Daniel Delfin Reyes. The Domestic Resource Cost Analysis of Copper Smelting in the Philippines.

Warning: These citations may not always be 100% accurate.