Dyfyniad APA

Keating, D., & May Antony Williamson Adrian. (1991). Keating on Building Contracts. Sweet & Maxwell.

Dyfyniad Arddull Chicago

Keating, Donald, and May Antony Williamson Adrian. Keating on Building Contracts. London: Sweet & Maxwell, 1991.

Dyfyniad MLA

Keating, Donald, and May Antony Williamson Adrian. Keating on Building Contracts. Sweet & Maxwell, 1991.

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