APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

Hopf, Peter S., en 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 (8e ed.) Bronvermelding

Hopf, Peter S., en John A. Raeber. Access for the Handicapped: The Barrier-free Regulations for Design and Construction in All 50 States. Van Nostrand Reinhold, 1984.