Dyfyniad APA

365746 Penna, C. V. (1970). The planning of library and documentation services. Unesco.

Dyfyniad Arddull Chicago

365746 Penna, C. V. The Planning of Library and Documentation Services. Unesco, 1970.

Dyfyniad MLA

365746 Penna, C. V. The Planning of Library and Documentation Services. Unesco, 1970.

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