Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Roller, L. E. (1987). Nonverbal graffiti, dipinti, and stamps. University Museum, University of Pennsylvania.

Chicago Citation Edition Citation

Roller, Lynn Emrich. Nonverbal Graffiti, Dipinti, and Stamps. Philadelphia: University Museum, University of Pennsylvania, 1987.

MLA Citation Edition Citation

Roller, Lynn Emrich. Nonverbal Graffiti, Dipinti, and Stamps. University Museum, University of Pennsylvania, 1987.