Sutherland, W. J. (2006). Ecological census techniques a handbook (2.).
Chicago Edition CitationSutherland, William J. Ecological Census Techniques a Handbook. 2. U K, Cambridge, 2006.
MLA引文Sutherland, William J. Ecological Census Techniques a Handbook. 2. 2006.
警告：這些引文格式不一定是100％准確.