Gaya APA

Presnall, T, R. et al (1987). Illustration & Drawing: Styles & Techniques (Ed. 1.--). Cincin-nati: North Light Books.

Gaya MLA

Presnall, Terry, R.. et al. "Illustration & Drawing: Styles & Techniques". Ed. 1.-- Cincin-nati: North Light Books, 1987. Text.