Sullivan, C. (2014). Drawing the landscape: The art of hand drawing and digital representation (Fourth Edition.). John Wiley & Sons, Inc.
Citazione stile Chigago Style (17a edizione)Sullivan, Chip. Drawing the Landscape: The Art of Hand Drawing and Digital Representation. Fourth Edition. Hoboken, New Jersey: John Wiley & Sons, Inc, 2014.
Citatione MLA (9a ed.)Sullivan, Chip. Drawing the Landscape: The Art of Hand Drawing and Digital Representation. Fourth Edition. John Wiley & Sons, Inc, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.