Dyfyniad APA

George Routledge and Sons, Chadwyck-Healey Ltd, & Maidment, B. (1973). The archives of George Routledge & Co., 1853-1902. Chadwyck-Healey.

Dyfyniad Arddull Chicago

George Routledge and Sons, Chadwyck-Healey Ltd, and Brian Maidment. The Archives of George Routledge & Co., 1853-1902. Bishops Stortford, Herts., Eng.: Chadwyck-Healey, 1973.

Dyfyniad MLA

George Routledge and Sons, et al. The Archives of George Routledge & Co., 1853-1902. Chadwyck-Healey, 1973.

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