:MCDONALD, Malcolm - WILSON, Hugh - CHAFFEY, Dave. Marketing Plans : Profitable Strategies in the Digital Age. 9th Edition. Hoboken : Wiley, 2024. 639 s. Dostupné na : <https://ebookcentral.proquest.com/lib/euba-ebooks/detail.action?docID=31227193> ISBN 9781394187317.