Dyfyniad APA

Petschek, P. (2008). Grading for landscape architects and architects. Birkhauser.

Dyfyniad Arddull Chicago

Petschek, Peter. Grading for Landscape Architects and Architects. Basel: Birkhauser, 2008.

Dyfyniad MLA

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

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