Style de citation APA (7e éd.)
Pennells, E. (1981). Concrete bridge designer's manual: Reprinted. Cement and Concrete Association.
Style de citation Chicago (17e éd.)
Pennells, Ernest. Concrete Bridge Designer's Manual: Reprinted. London: Cement and Concrete Association, 1981.
Style de citation MLA (9e éd.)
Pennells, Ernest. Concrete Bridge Designer's Manual: Reprinted. Cement and Concrete Association, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.