APA (7e ed.) Bronvermelding

Harrop, D. A. (1980). A history of the Gregynog Press. Private Libraries Association.

Chicago (17e ed.) Bronvermelding

Harrop, Dorothy A. A History of the Gregynog Press. Pinner, Middlesex: Private Libraries Association, 1980.

MLA (9e ed.) Bronvermelding

Harrop, Dorothy A. A History of the Gregynog Press. Private Libraries Association, 1980.