Pushpa , D. (2006). DDC classifying with dewey decimal classification editions 19th and 20th). Ess Ess.
シカゴスタイル引用形Pushpa , Dhyani. DDC Classifying with Dewey Decimal Classification Editions 19th and 20th). New Delhi: Ess Ess, 2006.
MLA引用形式Pushpa , Dhyani. DDC Classifying with Dewey Decimal Classification Editions 19th and 20th). Ess Ess, 2006.
警告: この引用は必ずしも正確ではありません.