Krowinska, A., & Backhaus, C. (2023). Digital content marketing: Creating value in practice (First Edition.). United Notion.
Citace podle Chicago (17th ed.)Krowinska, Agata, a Christof Backhaus. Digital Content Marketing: Creating Value in Practice. First Edition. New york: United Notion, 2023.
Citace podle MLA (9th ed.)Krowinska, Agata, a Christof Backhaus. Digital Content Marketing: Creating Value in Practice. First Edition. United Notion, 2023.