@book{102639,
	author = {Swan, Anni,},
	title = {Ulla ja Mark},
	publisher = {Project Gutenberg,},
	year = {2020},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://fi.wikipedia.org/wiki/Ulla_ja_Mark},
	url = {https://www.gutenberg.org/ebooks/61815}
}