Petschek, P. (2008). Grading for Landscape Architects and Architects. Birkhauser Verlag AG.
Lua i Stíl Chicago (17ú heag.)Petschek, Peter. Grading for Landscape Architects and Architects. Birkhauser Verlag AG, 2008.
Lua MLA (8ú heag.)Petschek, Peter. Grading for Landscape Architects and Architects. Birkhauser Verlag AG, 2008.
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