Heinrich, B. (1979). Bumblebee economics. Harvard University Press.
Chicagoスタイル(17版)引用形式Heinrich, Bernd. Bumblebee Economics. Cambridge, MA: Harvard University Press, 1979.
MLA(9版)引用形式Heinrich, Bernd. Bumblebee Economics. Harvard University Press, 1979.
警告: この引用は必ずしも正確ではありません.