Gaya APA

Levang, P., Rival, A. (). E-book Palms of Controversies : Oil Palm and Development Challenges . Indonesia: Center for International Forestry Research.

Gaya MLA

Levang, Patrice., Rival, Alain. "E-book Palms of Controversies : Oil Palm and Development Challenges". Indonesia: Center for International Forestry Research, . Text.