Lua APA (7ú heag.)

KRAUSHAR PETER M. (1977). NEW PRODUCTS & DIVERSIFICATION (2.). BUSINESS PUBLICATION.

Lua i Stíl Chicago (17ú heag.)

KRAUSHAR PETER M. NEW PRODUCTS & DIVERSIFICATION. 2. LONDON: BUSINESS PUBLICATION, 1977.

Lua MLA (9ú heag.)

KRAUSHAR PETER M. NEW PRODUCTS & DIVERSIFICATION. 2. BUSINESS PUBLICATION, 1977.

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