Gartmann, P., & Roth, S. (2023). Peter Walther Gartmann: Artworks and photgraphy: petergartmann.com ; editorship: sabinaroth.com. Antoinette Blanc.
Chicago Style (17. basım) AtıfGartmann, Peter, ve Sabina Roth. Peter Walther Gartmann: Artworks and Photgraphy: Petergartmann.com ; Editorship: Sabinaroth.com. [Schweiz]: Antoinette Blanc, 2023.
MLA (8th ed.) AtıfGartmann, Peter, ve Sabina Roth. Peter Walther Gartmann: Artworks and Photgraphy: Petergartmann.com ; Editorship: Sabinaroth.com. Antoinette Blanc, 2023.
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