Dyfyniad APA
Heller, S., & Talarico, L. (2011). Typography sketchbooks (1a. ed.). Princeton Architectural Press.
Dyfyniad Arddull Chicago
Heller, Steven, and Lita Talarico. Typography Sketchbooks. 1a. ed. New York: Princeton Architectural Press, 2011.
Dyfyniad MLA
Heller, Steven, and Lita Talarico. Typography Sketchbooks. 1a. ed. Princeton Architectural Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.