Bibliografi : hlm. 345
Judul asli : "The Portable MBA in Marketing"
No Inv.: 121200/PH/Perp/09/1c
No Inv.: 327-331/P/Perp/94/5c
Judul asli : "The Skill of Communicating"
Bibliografi : hlm. 206-207
Bibliografi No Inv.: 125631-125635/P/perp/10/5c
Judul asli : "Tactics the Art and Science of Success"
Judul asli : "Smart Moves"
Judul asli : "Managing Constructional Projects International ..."