Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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