Dyfyniad APA

Blockley, D. (2010). Bridges: :the science and art of the world's most inspiring structures. Oxford university.

Dyfyniad Arddull Chicago

Blockley, David. Bridges: :the Science and Art of the World's Most Inspiring Structures. Oxford: Oxford university, 2010.

Dyfyniad MLA

Blockley, David. Bridges: :the Science and Art of the World's Most Inspiring Structures. Oxford university, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.