No Inv.: 89579-89580/PSM/Perp/04/2c
Judul asli :"Control Your Overheads"
No Inv.: 14483-14485/P/Perp/94/3c
No Inv.: 85074-85078/P/Perp/FIS/03/5c
Bibliografi : hlm. 333-335 No Inv.: 141406-141410/P/Perp/14/5c
Judul asli :"Business Professional communications"
Bibliografi di tiap babNo Inv.: 11261/P/Perp/98/1c~991-993/P/Perp/99/3c~113044/S/Perp/08/1c
Bibliografi : hlm. 255-274No Inv.: 138209-138210/P/Perp/14/2c~143965/P/Perp/14/1c
No Inv.: 78320/01/1c~112497-112500/P/Perp/08/4c~117581-117582/P/Perp/09/2c
No Inv.: 5052-5061/P/Perp/97/10c~111168-111170/P/Perp/07/3c~121215/P/Perp/09/1c~128032/S/Perp/10/1c~128969/PH/Perp/2010/1c