APA-ийн эшлэл(7 дахь хэвлэлт)

Puhalla, D. (2011). Design elements, form & space: A graphic style manual for understanding structure and design. Rockport Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Puhalla, Dennis. Design Elements, Form & Space: A Graphic Style Manual for Understanding Structure and Design. Beverly, Mass.: Rockport Publishers, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Puhalla, Dennis. Design Elements, Form & Space: A Graphic Style Manual for Understanding Structure and Design. Rockport Publishers, 2011.