by The Dale Carnegie Organization
Audio CD
details (USA).
(see also: eBook (Kindle) · Audio CD)
details (UK).
(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (Germany).
(see also: Kindle Ausgabe)
details (Canada).
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ISBN: 978-0-7435-6390-1
ISBN-10: 0-7435-6390-5