APA Citation

Cantrell, S. (2010). Reference and Information Services in the 21st Century: An Introduction. 2nd ed. Medical Library Association.

Citação norma Chicago

Cantrell, Sarah. Reference and Information Services in the 21st Century: An Introduction. 2nd Ed. Medical Library Association, 2010.

MLA Citation

Cantrell, Sarah. Reference and Information Services in the 21st Century: An Introduction. 2nd Ed. Medical Library Association, 2010.

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