John Gjers, ironmaster : Ayreseme Ironworks, Middlesbrough

MLA

Harrison, John Kent. John Gjers, Ironmaster : Ayreseme Ironworks, Middlesbrough. Aalst-Waalre: De archaeologische pers, 1982.

APA

Harrison, J. Kent. (1982). John Gjers, ironmaster : Ayreseme Ironworks, Middlesbrough. Aalst-Waalre: De archaeologische pers.

Chicago

Harrison, John Kent, John Gjers, Ironmaster: Ayreseme Ironworks, Middlesbrough. Aalst-Waalre: De archaeologische pers, 1982.