No Inv.: 102434/PSM/Perp/05/1c
Bibliografi : hlm. 357-358
Judul asli : "Personal Letters for Business People"
No Inv.: 3300-3304/P/Perp/92/5c~421/S/Perp/87/1c~406/S/Perp/92/1c~1257/S/Perp/89/1c~835/S/Perp/88/1c~802/Perp/86/1c~716/S/Perp/88/1c~826-827/S/Perp/88/2c~121/S/Perp/89/1c~679/S/Perp/90/1c
No Inv.: 130769/SM/Perp/12/1c
Bibliografi : hlm. 283 No Inv.: 135276/SM/Perp/13/1c
Judul asli :"Accounting"
No Inv.: 122276-122280/P/Perp/10/5c
No Inv.: 13696-13698/P/Perp/94/3c
Bibliografi : hlm. 273-276No Inv.: 141476-141480/P/Perp/14/5c