APA aipamena

Follis, J., & Hammer, D. (1979). Architectural signing and graphics. Whitney Library of Design.

Chicago Style aipamena

Follis, John, and Dave Hammer. Architectural Signing and Graphics. New York: Whitney Library of Design, 1979.

MLA aipamena

Follis, John, and Dave Hammer. Architectural Signing and Graphics. Whitney Library of Design, 1979.