Книга о вкусной и здоровой пище (in Russian). Москва: Пищепромиздат. 1952. p. 164. [English translation: The Book of Tasty and Healthy Food. Translated by Boris Ushumirskiy. SkyPeak Publishing. 1912. ISBN978-0615691350. {{cite book}}: ISBN / Date incompatibility (help)]