Minot, E., & Perrins, C. (1980). Interspecific competition between Blue and Great tits.
Čikaški stil citiranja (17. izdanje)Minot, E., i C. Perrins. Interspecific Competition Between Blue and Great Tits. 1980.
MLA način citiranja (9. izdanje)Minot, E., i C. Perrins. Interspecific Competition Between Blue and Great Tits. 1980.
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