Dyfyniad APA

Ingram, A. (1977). Index to the archives of Richard Bentley & Son, 1829-1898. Chadwyck-Healey ; Somerset House.

Dyfyniad Arddull Chicago

Ingram, Alison. Index to the Archives of Richard Bentley & Son, 1829-1898. Cambridge, Eng. : Teaneck, N.J.: Chadwyck-Healey ; Somerset House, 1977.

Dyfyniad MLA

Ingram, Alison. Index to the Archives of Richard Bentley & Son, 1829-1898. Chadwyck-Healey ; Somerset House, 1977.

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