CLARK, K. (1995). LEADING PRODUCT DEVELOPMENT: THE SENIOR MANAGERS GUIDE TO CREATING & SHAPING THE ENTERPRISE. FREE PRESS.
Lua i Stíl Chicago (17ú heag.)CLARK, K.B. LEADING PRODUCT DEVELOPMENT: THE SENIOR MANAGERS GUIDE TO CREATING & SHAPING THE ENTERPRISE. NEW-YORK: FREE PRESS, 1995.
Lua MLA (9ú heag.)CLARK, K.B. LEADING PRODUCT DEVELOPMENT: THE SENIOR MANAGERS GUIDE TO CREATING & SHAPING THE ENTERPRISE. FREE PRESS, 1995.
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