Janković, D. (1964). Synopsis of biological data on European grayling: Thymallus thymallus (Linnaeus) 1758. Fisheries Division, Biology Branch, Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Janković, Draga. Synopsis of Biological Data on European Grayling: Thymallus Thymallus (Linnaeus) 1758. Rome: Fisheries Division, Biology Branch, Food and Agriculture Organization of the United Nations, 1964.
Lua MLA (8ú heag.)Janković, Draga. Synopsis of Biological Data on European Grayling: Thymallus Thymallus (Linnaeus) 1758. Fisheries Division, Biology Branch, Food and Agriculture Organization of the United Nations, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.