Juniper, Dean
Grolier business library: making decisions
Glorier International, 2001
 Buku Referensi
Appleby, Pauline
Grolier business library: organising a conference
Glorier International, 2001
 Buku Referensi
Marshall, Peter
Grolier business library: how to understand finance at work
Glorier International, 2001
 Buku Referensi
Record, Matthew
Grolier business library: preparing a business plan
Glorier International, 1999
 Buku Referensi
Chalmers, James
Grolier business library: organising effective training
Glorier International, 1999
 Buku Referensi