Cita 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.
Cita 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.
Cita 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.
Atenció: Aquestes cites poden no estar 100% correctes.