Petschek, P. (2008). Grading for landscape architects and architects. Birkhauser.
Chicagoスタイル(17版)引用形式Petschek, Peter. Grading for Landscape Architects and Architects. Basel: Birkhauser, 2008.
MLA(9版)引用形式Petschek, Peter. Grading for Landscape Architects and Architects. Birkhauser, 2008.
警告: この引用は必ずしも正確ではありません.