Παραπομπή APA

(1997). Catalogue of publications. [s.l.]: Organization for economic co-operation and development.

Παραπομπή Chicago Style

Catalogue of Publications. [s.l.]: Organization for economic co-operation and development, 1997.

Παραπομπή MLA

Catalogue of Publications. [s.l.]: Organization for economic co-operation and development, 1997.

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