APA aipamena

Hofmann Armin. (2015). Graphic Design Manual (6TH.). Niggler.

Chicago Style aipamena

Hofmann Armin. Graphic Design Manual. 6TH. Switzerland: Niggler, 2015.

MLA aipamena

Hofmann Armin. Graphic Design Manual. 6TH. Niggler, 2015.