APA ציטוט

Roque, C. R. (1990). Environment and natural resources: Status and prospects. Economic Development Foundation.

Chicago Style (17th ed.) Citation

Roque, Celso R. Environment and Natural Resources: Status and Prospects. [Makati City]: Economic Development Foundation, 1990.

ציטוט MLA

Roque, Celso R. Environment and Natural Resources: Status and Prospects. Economic Development Foundation, 1990.