Csapó, János, et al. “Conjugated Linoleic Acid Content of Milk and Milk Products II. – Conjugated Linoleic Acid Content of Cheese, Butter, Other Milk Products and Some Other Foods: A Review”. Acta Agraria Kaposváriensis, vol. 5, no. 4, Dec. 2001, pp. 13-21, https://journal.uni-mate.hu/index.php/aak/article/view/1591.