Lua APA (7ú heag.)

Kroc,Ray and Robert Anderson. Grinding it out: The making of McDonald's. H. Regnery.

Lua i Stíl Chicago (17ú heag.)

Kroc,Ray and Robert Anderson. Grinding It Out: The Making of McDonald's. Chicago: H. Regnery.

Lua MLA (8ú heag.)

Kroc,Ray and Robert Anderson. Grinding It Out: The Making of McDonald's. H. Regnery.

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