Dyfyniad APA

Petschek, P. (2008). Grading for Landscape Architects and Architects. Birkhauser Verlag AG.

Dyfyniad Arddull Chicago

Petschek, Peter. Grading for Landscape Architects and Architects. Birkhauser Verlag AG, 2008.

Dyfyniad MLA

Petschek, Peter. Grading for Landscape Architects and Architects. Birkhauser Verlag AG, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.