Hopf, P. S., & Raeber, J. A. (1984). Access for the handicapped: The barrier-free regulations for design and construction in all 50 states. Van Nostrand Reinhold.
Chicago Style (17. basım) AtıfHopf, Peter S., ve John A. Raeber. Access for the Handicapped: The Barrier-free Regulations for Design and Construction in All 50 States. New York: Van Nostrand Reinhold, 1984.
MLA (8th ed.) AtıfHopf, Peter S., ve John A. Raeber. Access for the Handicapped: The Barrier-free Regulations for Design and Construction in All 50 States. Van Nostrand Reinhold, 1984.
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