APA-ийн эшлэл(7 дахь хэвлэлт)

Petschek, P., & Walker, P. (2014). Grading: LandscapingSMART 3D machine control systems stormwater management (Second edition, revised and expanded.). Birkhäuser.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Petschek, Peter, ба Peter Walker. Grading: LandscapingSMART 3D Machine Control Systems Stormwater Management. Second edition, revised and expanded. Basel: Birkhäuser, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Petschek, Peter, ба Peter Walker. Grading: LandscapingSMART 3D Machine Control Systems Stormwater Management. Second edition, revised and expanded. Birkhäuser, 2014.