B2B research and managerial relevance. [Bradford] : Emerald, 2014. 1 online zdroj (strany 561-652). Journal of Business and Industrial Marketing, Volume 29, Number 7/8. Available on Internet: <https://ebookcentral.proquest.com/lib/ujep-ebooks/reader.action?docID=3009263> ISBN 9781784414849.