Lua APA (7ú heag.)

(1963). The Encyclopedia Of Management / Edited By Carl Heyel. Van Nostrand Reinhold.

Lua i Stíl Chicago (17ú heag.)

The Encyclopedia Of Management / Edited By Carl Heyel. Van Nostrand Reinhold, 1963.

Lua MLA (8ú heag.)

The Encyclopedia Of Management / Edited By Carl Heyel. Van Nostrand Reinhold, 1963.

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