Book of Firsts (en). RW Press. ISBN 9781909284296. „c. 550-330 BC, First mention of flavoured snow or ice : during the Persian Empire“
icecreamhistory.net
„Who Invented Ice Cream? - Ice Cream Inventor“ (en). www.icecreamhistory.net. — „History of ice creams begun around 500 BCE in the Persian Empire where ice was used in combination with grape juices, fruits, and other flavors to produce very expensive and hard to produce summertime treats.“. Qaraldi: 2018-yil 31-avgust.