Bibby, C. J. (1992). Bird Census Techniques Collin J. Bibby, Neil D. Burges. Academic.
Chicagoスタイル(17版)引用形式Bibby, Collin J. Bird Census Techniques Collin J. Bibby, Neil D. Burges. Academic, 1992.
MLA(8版)引用形式Bibby, Collin J. Bird Census Techniques Collin J. Bibby, Neil D. Burges. Academic, 1992.
警告: この引用は必ずしも正確ではありません.