(1984). The Key to Philippine forest conservation: The defense of the dipterocarps. Columbian Publishing Corporation.
Chicago Style (17th ed.) CitationThe Key to Philippine Forest Conservation: The Defense of the Dipterocarps. Manila: Columbian Publishing Corporation, 1984.
MLA (9th ed.) CitationThe Key to Philippine Forest Conservation: The Defense of the Dipterocarps. Columbian Publishing Corporation, 1984.
Warning: These citations may not always be 100% accurate.