ALLEGRI, T. H. (1984). Materials Handling Principles And Practise Theodore H. Alegri. Van Nostrand Reinhold Company.
Lua i Stíl Chicago (17ú heag.)ALLEGRI, Theodore H. Materials Handling Principles And Practise Theodore H. Alegri. Van Nostrand Reinhold Company, 1984.
Lua MLA (8ú heag.)ALLEGRI, Theodore H. Materials Handling Principles And Practise Theodore H. Alegri. Van Nostrand Reinhold Company, 1984.
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