Παραπομπή APA

Stevens, M. E. (1965). Automatic indexing: A state-of-the-art report. Washington, D.C: National Bureau of Standards.

Παραπομπή Chicago Style

Stevens, Mary Elizabeth. Automatic Indexing: A State-of-the-art Report. Washington, D.C: National Bureau of Standards, 1965.

Παραπομπή MLA

Stevens, Mary Elizabeth. Automatic Indexing: A State-of-the-art Report. Washington, D.C: National Bureau of Standards, 1965.

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