APA (7th ed.) Citation

Suparmoko, M., & Ratnaningsih, M. (2011). Ekonomika lingkungan. BPFE.

Chicago Style (17th ed.) Citation

Suparmoko, M., and Maria Ratnaningsih. Ekonomika Lingkungan. BPFE, 2011.

MLA (8th ed.) Citation

Suparmoko, M., and Maria Ratnaningsih. Ekonomika Lingkungan. BPFE, 2011.

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