Schenk, E. T. M. (1948). Procedure in taxonomy.
Chicago Edition CitationSchenk, Edward T; Mcmasters. Procedure in Taxonomy. Stanford University Press, California, 1948.
MLA引文Schenk, Edward T; Mcmasters. Procedure in Taxonomy. 1948.
警告:這些引文格式不一定是100%准確.