Dyfyniad APA

Hutchinson, B. D., & Barton, J. E. (1975). Maintenance and repair of buildings and their internal enviroment. Newnes-Butterworths.

Dyfyniad Arddull Chicago

Hutchinson, B. D., and J. Ellis Barton. Maintenance and Repair of Buildings and Their Internal Enviroment. London: Newnes-Butterworths, 1975.

Dyfyniad MLA

Hutchinson, B. D., and J. Ellis Barton. Maintenance and Repair of Buildings and Their Internal Enviroment. Newnes-Butterworths, 1975.

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