Pohl, N. (2023). Curator's Key: Curators talk about a work they keep coming back to : Nina Pohl on Sigmar Polke's Höhere Wesen befahlen: rechte obere Ecke schwarz malen! (1969). Spike.
Čikaški stil citiranja (17. izdanje)Pohl, Nina. "Curator's Key: Curators Talk About a Work They Keep Coming Back to : Nina Pohl on Sigmar Polke's Höhere Wesen Befahlen: Rechte Obere Ecke Schwarz Malen! (1969)." Spike 2023.
MLA način citiranja (8. izdanje)Pohl, Nina. "Curator's Key: Curators Talk About a Work They Keep Coming Back to : Nina Pohl on Sigmar Polke's Höhere Wesen Befahlen: Rechte Obere Ecke Schwarz Malen! (1969)." Spike, 2023.
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