Bibby, C. J. (1992). Bird Census Techniques Collin J. Bibby, Neil D. Burges. Academic.
Chicago Style (17th ed.) CitationBibby, Collin J. Bird Census Techniques Collin J. Bibby, Neil D. Burges. Academic, 1992.
MLA引文Bibby, Collin J. Bird Census Techniques Collin J. Bibby, Neil D. Burges. Academic, 1992.
警告：這些引文格式不一定是100％准確.