Judul Asli :"Linear Circuit Analysis, 01 Edition".
Judul Asli : "International Financial Management,4th Edition".
^aBibl. hal. 285
Judul Asli:"Fundamentals of Corporate finance".
Judul Asli :"Auditing and Assurance Services, Twelfth Edition".
Judul Asli : "Under the title 100 Bright Ideas : Bathrooms".
Judul Asli :"Electronic Communications,Third Edition".
Judul Asli : "Electronic Communication, Third Edition ".