by Dale Carnegie Training
Paperback
details (USA).
(see also: eBook (Kindle))
details (UK).
(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (Germany).
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details (Canada).
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ISBN: 978-1-4391-8822-4
ISBN-10: 1-4391-8822-X
Simon & Schuster · 2011