Petschek, P. (2008). Grading for Landscape Architects and Architects. Birkhauser Verlag AG.
Cita Chicago Style (17a ed.)Petschek, Peter. Grading for Landscape Architects and Architects. Birkhauser Verlag AG, 2008.
Cita MLA (8a ed.)Petschek, Peter. Grading for Landscape Architects and Architects. Birkhauser Verlag AG, 2008.
Precaución: Estas citas no son 100% exactas.