Sharky, B. (2015). Landscape site grading principles: Grading with design in mind. John Wiley & Sons, Inc.
Chicago (17e ed.) BronvermeldingSharky, Bruce. Landscape Site Grading Principles: Grading with Design in Mind. Hoboken, New Jersey: John Wiley & Sons, Inc, 2015.
MLA (9e ed.) BronvermeldingSharky, Bruce. Landscape Site Grading Principles: Grading with Design in Mind. John Wiley & Sons, Inc, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.