No Inv.: 6314-6318/P/Perp/92/5c~2506-2510/P/Perp/95/5c~5010/P/Perp/97/1c
No Inv.: 3394-3403/S/Perp/91/10c~486-491/S/Perp/95/6c
No Inv.: 719/S/Perp/91/1c~86630-86634/S/Perp/03/5c
Tersedia Bibliografi.
Tersedia Bibliografi, Indeks, Glossary.
No Inv.: 4048-4057/S/Perp/91/10c
No Inv.: 1967/AF/Perp/91/1c
Judul asli : "How to Negotiate Worldwide"
No Inv.: 1490/P/Perp/94/1c