Mikkonen, A. V. (1985). Spring migration and commencement of breeding in sympatric populations of the Chaffinch, Fringilla coelebs, and the Brambling, F. montifringilla, in Finland. University of Oulu : Oulu University Library, [distr.].
Cytowanie według stylu Chicago (wyd. 17)Mikkonen, Aarne V. Spring Migration and Commencement of Breeding in Sympatric Populations of the Chaffinch, Fringilla Coelebs, and the Brambling, F. Montifringilla, in Finland. Oulu: University of Oulu : Oulu University Library, [distr.], 1985.
Cytowanie według stylu MLA (wyd. 8)Mikkonen, Aarne V. Spring Migration and Commencement of Breeding in Sympatric Populations of the Chaffinch, Fringilla Coelebs, and the Brambling, F. Montifringilla, in Finland. University of Oulu : Oulu University Library, [distr.], 1985.