Lua APA (7ú heag.)

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.

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