Chadwick, E., & Percival, J. (1983). The papers of Sir Edwin Chadwick, 1800-1890. Harvester Press Microform Publications ; [Distributed by] Research Publications.
Dyfyniad Arddull ChicagoChadwick, Edwin, and Janet Percival. The Papers of Sir Edwin Chadwick, 1800-1890. Brighton, Sussex, England : Woodbridge, Ct.: Harvester Press Microform Publications ; [Distributed by] Research Publications, 1983.
Dyfyniad MLAChadwick, Edwin, and Janet Percival. The Papers of Sir Edwin Chadwick, 1800-1890. Harvester Press Microform Publications ; [Distributed by] Research Publications, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.