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