Dyfyniad APA

Pors, N. O. Book review: The culture of evaluation in library and information services, by John Crawford.

Dyfyniad Arddull Chicago

Pors, Niels Ole. Book Review: The Culture of Evaluation in Library and Information Services, By John Crawford.

Dyfyniad MLA

Pors, Niels Ole. Book Review: The Culture of Evaluation in Library and Information Services, By John Crawford.

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