Winterbottom, R. (1990). Taking stock: The Tropical Forestry Action Plan after five years. World Resources Institute.
Chicago (17e ed.) BronvermeldingWinterbottom, Robert. Taking Stock: The Tropical Forestry Action Plan After Five Years. Washington, D.C: World Resources Institute, 1990.
MLA (9e ed.) BronvermeldingWinterbottom, Robert. Taking Stock: The Tropical Forestry Action Plan After Five Years. World Resources Institute, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.