Singh K P. (2015). An Introduction to digital resource descripition. Ess Ess Pub.
シカゴスタイル引用形Singh K P. An Introduction to Digital Resource Descripition. New Delhi: Ess Ess Pub, 2015.
MLA引用形式Singh K P. An Introduction to Digital Resource Descripition. Ess Ess Pub, 2015.
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