TROUT JACK. (2000). DIFFERENTIATE OR DIE: SURVIVAL IN OUR ERA OF KILLER COMPETITION. JOHN WILEY AND SONS.
Chicago-viite (17. p.)TROUT JACK. DIFFERENTIATE OR DIE: SURVIVAL IN OUR ERA OF KILLER COMPETITION. NEW YORK: JOHN WILEY AND SONS, 2000.
MLA-viite (9. p.)TROUT JACK. DIFFERENTIATE OR DIE: SURVIVAL IN OUR ERA OF KILLER COMPETITION. JOHN WILEY AND SONS, 2000.
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