Hilden, Katri; Robinson, Tim; Currie, Lee; Hutchinson, Emma (2006). Iced: 180 Very Cool Concoctions. Murdoch Books. tr. 15. ISBN978-1-74045-818-4. Truy cập ngày 4 tháng 4 năm 2013. Vanilla has become a synonymous with 'plain'- perhaps most vanilla ice cream is flavoured with fake vanilla extract