
How to Speak & Write Persuasively (Sales Professional's Library)
1994
ISBN 9780749413286
One foot in the door
1991
ISBN 9780900236327
First Division Selling
1993
ISBN 9780749411916
Foot on the Management Ladder (Sales Professional's Library)
1993
ISBN 9780749411923
Prospecting for Customers (Sales Professional's Library)
1993
ISBN 9780749411930