(1994). Marianne Burkhalter, Christian Sumi: Forest ranger facilities in the woods near Zurich. Domus : Architettura Design Arte Comunicazione.
Παραπομπή σε μορφή Chicago (17η εκδ.)"Marianne Burkhalter, Christian Sumi: Forest Ranger Facilities in the Woods Near Zurich." Domus : Architettura Design Arte Comunicazione 1994.
Παραπομπή σε μορφή MLA (8th εκδ.)"Marianne Burkhalter, Christian Sumi: Forest Ranger Facilities in the Woods Near Zurich." Domus : Architettura Design Arte Comunicazione, 1994.
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