Promo. Penton Media, Inc.
Chicago Style (17th ed.) CitationPromo. Penton Media, Inc.
MLA (9th ed.) CitationPromo. Penton Media, Inc.
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APA (7th ed.) Citation
Promo. Penton Media, Inc.
Chicago Style (17th ed.) CitationPromo. Penton Media, Inc.
MLA (9th ed.) CitationPromo. Penton Media, Inc.