Hutchins, M. (1944). Introduction to reference Work. American Library.
シカゴスタイル引用形Hutchins, Margret. Introduction to Reference Work. Chicago: American Library, 1944.
MLA引用形式Hutchins, Margret. Introduction to Reference Work. American Library, 1944.
警告: この引用は必ずしも正確ではありません.