Sharky, B. (2015). Landscape site grading principles: Grading with design in mind. John Wiley & Sons, Inc.
Cita Chicago (17th ed.)Sharky, Bruce. Landscape Site Grading Principles: Grading with Design in Mind. Hoboken, New Jersey: John Wiley & Sons, Inc, 2015.
Cita MLA (9th ed.)Sharky, Bruce. Landscape Site Grading Principles: Grading with Design in Mind. John Wiley & Sons, Inc, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.