Petschek, P., & Walker, P. (2014). Grading: LandscapingSMART 3D machine control systems stormwater management (Second edition, revised and expanded.). Birkhäuser.
芝加哥风格引文Petschek, Peter, 与 Peter Walker. Grading: LandscapingSMART 3D Machine Control Systems Stormwater Management. Second edition, revised and expanded. Basel: Birkhäuser, 2014.
MLA引文Petschek, Peter, 与 Peter Walker. Grading: LandscapingSMART 3D Machine Control Systems Stormwater Management. Second edition, revised and expanded. Birkhäuser, 2014.
警告：这些引文格式不一定是100％准确.