Diederichsen, D. (1997). Widows Speak: Diedrich Diederichsen on Heiner Müller. Artforum.
Chicago-viite (17. p.)Diederichsen, Diedrich. "Widows Speak: Diedrich Diederichsen on Heiner Müller." Artforum 1997.
MLA-viite (8. p.)Diederichsen, Diedrich. "Widows Speak: Diedrich Diederichsen on Heiner Müller." Artforum, 1997.
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