Citazione Stile APA (7a Edizione)

BLANC, A. (1996). Stairs, steps and ramps. Butterworth Architecture.

Citazione stile Chigago Style (17a edizione)

BLANC, Alan. Stairs, Steps and Ramps. Oxford: Butterworth Architecture, 1996.

Citatione MLA (9a ed.)

BLANC, Alan. Stairs, Steps and Ramps. Butterworth Architecture, 1996.