Krutch, J. W., & Landacre, P. (1956). The great chain of life. Boston, MA: Houghton Mifflin.
シカゴスタイル引用形Krutch, Joseph Wood, , Paul Landacre. The Great Chain of Life. Boston, MA: Houghton Mifflin, 1956.
MLA引用形式Krutch, Joseph Wood, , Paul Landacre. The Great Chain of Life. Boston, MA: Houghton Mifflin, 1956.
警告: この引用は必ずしも正確ではありません.