Citace podle APA (7th ed.)
Johnson, M. Problem Solved: How To Recognize the Nineteen Recurring Problems Faced in Design, Branding and Communication and How To Solve Them (2a edición.). Phaidon.
Citace podle Chicago (17th ed.)
Johnson, Michael. Problem Solved: How To Recognize the Nineteen Recurring Problems Faced in Design, Branding and Communication and How To Solve Them. 2a edición. Londres, Inglaterra: Phaidon.
Citace podle MLA (9th ed.)
Johnson, Michael. Problem Solved: How To Recognize the Nineteen Recurring Problems Faced in Design, Branding and Communication and How To Solve Them. 2a edición. Phaidon.
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