Kasutatud materjalid
Raudseping, M. 2006. Sibul aias ja köögis. Maalehe Raamat. lk 13...14
http://www.jparkers.co.uk/images/new_products/onion.jpg
http://www.bio-gaertner.de/Images/Photos/Botanik/Allium_porrum2.jpg
http://www.flickr.com/photos/stationalpinejosephfourier/2262703098/sizes/m/
http://www.flickr.com/photos/66763895@N00/214566565/sizes/m/
http://www.flickr.com/photos/ullkika/147066786/sizes/m/
http://www.flickr.com/photos/tim-waters/477472657/sizes/m/