Ackling, R. (1990). Roger Ackling: Works from Norfolk; 2 February - 3 March 1990 / Annely Juda Fine Art, London.
Chicago-Zitierstil (17. Ausg.)Ackling, Roger. Roger Ackling: Works from Norfolk; 2 February - 3 March 1990 / Annely Juda Fine Art, London. London, 1990.
MLA-Zitierstil (8. Ausg.)Ackling, Roger. Roger Ackling: Works from Norfolk; 2 February - 3 March 1990 / Annely Juda Fine Art, London. 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.