(en) Joeseph A. Kurmann, Encyclopedia of Fermented Fresh Milk Products : An International Inventory, 233 Spring StreetNew York, NY, Springer, , 368 p. (ISBN978-0-442-00869-7, LCCN91030210, lire en ligne)p. 343
(en) Sue Weaver, Sheep : Small-scale Sheep Keeping for Pleasure and Profit, 3 Burroughs Irvine, CA 92618, Hobby Farm Press, an imprint of BowTie Press, a division of BowTie Inc., , 160 p. (ISBN978-1-931993-49-4, OCLC56942472, LCCN2004025520)
(en) Joeseph A. Kurmann, Encyclopedia of Fermented Fresh Milk Products : An International Inventory, 233 Spring StreetNew York, NY, Springer, , 368 p. (ISBN978-0-442-00869-7, LCCN91030210, lire en ligne)p. 343
(en) Sue Weaver, Sheep : Small-scale Sheep Keeping for Pleasure and Profit, 3 Burroughs Irvine, CA 92618, Hobby Farm Press, an imprint of BowTie Press, a division of BowTie Inc., , 160 p. (ISBN978-1-931993-49-4, OCLC56942472, LCCN2004025520)