Koli, L. (1969). Geographical variation of Cottus gobio L. (Pisces, Cottidae) in Northern Europe. [Tekijä].
Lua i Stíl Chicago (17ú heag.)Koli, Lauri. Geographical Variation of Cottus Gobio L. (Pisces, Cottidae) in Northern Europe. Hki: [Tekijä], 1969.
Lua MLA (8ú heag.)Koli, Lauri. Geographical Variation of Cottus Gobio L. (Pisces, Cottidae) in Northern Europe. [Tekijä], 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.