Dyfyniad APA

Sanborn Map Company. (1984). Sanborn fire insurance maps. Chadwyck-Healy.

Dyfyniad Arddull Chicago

Sanborn Map Company. Sanborn Fire Insurance Maps. Teaneck, N.J.: Chadwyck-Healy, 1984.

Dyfyniad MLA

Sanborn Map Company. Sanborn Fire Insurance Maps. Chadwyck-Healy, 1984.

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