Petrick, W., Pepper, J., & Cohen, H. R. (2020). The art of Wolfgang Petrick 1962-2017: In Berlin and Brooklyn / preface James Kalm ; tetxts Jens Pepper, H. Robert Cohen. The Cohen-Hoedemaeker Collection.
Lua i Stíl Chicago (17ú heag.)Petrick, Wolfgang, Jens Pepper, agus H. Robert Cohen. The Art of Wolfgang Petrick 1962-2017: In Berlin and Brooklyn / Preface James Kalm ; Tetxts Jens Pepper, H. Robert Cohen. [Erscheinungsort nicht ermittelbar] ; Berlin: The Cohen-Hoedemaeker Collection, 2020.
Lua MLA (8ú heag.)Petrick, Wolfgang, et al. The Art of Wolfgang Petrick 1962-2017: In Berlin and Brooklyn / Preface James Kalm ; Tetxts Jens Pepper, H. Robert Cohen. The Cohen-Hoedemaeker Collection, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.