Baldock, D., & Hewett, J. (1989). Possible European community initiatives in relation to the tropical timber trade: A WWF International discussion paper. Londen: IEEP.
芝加哥风格引文Baldock, David, 与 Jonathan Hewett. Possible European Community Initiatives in Relation to the Tropical Timber Trade: A WWF International Discussion Paper. Londen: IEEP, 1989.
MLA引文Baldock, David, 与 Jonathan Hewett. Possible European Community Initiatives in Relation to the Tropical Timber Trade: A WWF International Discussion Paper. Londen: IEEP, 1989.
警告：这些引文格式不一定是100％准确.