Joseph A. Kurmann, Jeremija Lj Rašić e Manfred Kroger, Žinčica, in Encyclopedia of Fermented Fresh Milk Products: An International Inventory of Fermented Milk, Cream, Buttermilk, Whey, and Related Products, Nuovo York, Van Nostrand Reinhold, 1992, p. 322–323, ISBN0-442-00869-4, OCLC24469241.
Joseph A. Kurmann, Jeremija Lj Rašić e Manfred Kroger, Žinčica, in Encyclopedia of Fermented Fresh Milk Products: An International Inventory of Fermented Milk, Cream, Buttermilk, Whey, and Related Products, Nuovo York, Van Nostrand Reinhold, 1992, p. 322–323, ISBN0-442-00869-4, OCLC24469241.