Middendorf, H., Raatschen, G., & Διαλυνά, Λ. (2009). Helmut Middendorf: Over the under the over, 1997-2009. Athens : Bielefeld: Benaki Museum Kerber.
シカゴスタイル引用形Middendorf, Helmut, Gudrun Raatschen, , Λήδα Διαλυνά. Helmut Middendorf: Over the Under the Over, 1997-2009. Athens : Bielefeld: Benaki Museum Kerber, 2009.
MLA引用形式Middendorf, Helmut, Gudrun Raatschen, , Λήδα Διαλυνά. Helmut Middendorf: Over the Under the Over, 1997-2009. Athens : Bielefeld: Benaki Museum Kerber, 2009.
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