@book{71172,
	author = {Ruskin, John,},
	title = {The Elements of Drawing, in Three Letters to Beginners},
	publisher = {Project Gutenberg,},
	year = {2009},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-10-24},
	url = {https://www.gutenberg.org/ebooks/30325}
}