Rosalyn Ellis, Michael Ellis, Rebecca Carman, Jürgen Scheunemann, Katerina Cerna et alii. The beer book (en anglès). Londres: Dorling Kindersley, 2008, p. 191. ISBN 978-1-4053-3301-6. «Inbev owns different breweries all over the world […]. Apart from oceans of rather dull pils they also offer[…] the well-known Leffe range of abbey ales […]. Thanks to their universal availability, they are often mistaken abroad —and indeed in Belgium itself— for being Belgium's best.»