Não informado. (2018). The Penrose Annual: Review of the graphic arts. Lund Humphries.
Chicago-Zitierstil (17. Ausg.)Não informado. The Penrose Annual: Review of the Graphic Arts. London: Lund Humphries, 2018.
MLA-Zitierstil (8. Ausg.)Não informado. The Penrose Annual: Review of the Graphic Arts. Lund Humphries, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.