Sulekha G. Seven letters of Dr. S R Ranganathan. University of Kerala.
シカゴスタイル引用形Sulekha G. Seven Letters of Dr. S R Ranganathan. calcutta: University of Kerala.
MLA引用形式Sulekha G. Seven Letters of Dr. S R Ranganathan. University of Kerala.
警告: この引用は必ずしも正確ではありません.