Koli, L. (1969). Geographical variation of Cottus gobio L. (Pisces, Cottidae) in Northern Europe. [Tekijä].
Chicago Style (17th ed.) CitationKoli, Lauri. Geographical Variation of Cottus Gobio L. (Pisces, Cottidae) in Northern Europe. Hki: [Tekijä], 1969.
MLA (8th ed.) CitationKoli, Lauri. Geographical Variation of Cottus Gobio L. (Pisces, Cottidae) in Northern Europe. [Tekijä], 1969.
Warning: These citations may not always be 100% accurate.