APA
COOK T., . (2011). A USERS GUIDE TO PATENTS. BLOOMSBURY PVT.LTD: W.S.
Chicago
COOK TREVOR, . 2011. A USERS GUIDE TO PATENTS. BLOOMSBURY PVT.LTD: W.S.
Harvard
COOK T., . (2011). A USERS GUIDE TO PATENTS. BLOOMSBURY PVT.LTD: W.S.
MLA
COOK TREVOR, . A USERS GUIDE TO PATENTS. BLOOMSBURY PVT.LTD: W.S. 2011.