SpringerLink (Online service), Rybczyński, J. J., Davey, M. R., & Mikuła, A. (2015). The gentianaceae - volume 2: Biotechnology and applications. Springer Berlin Heidelberg Imprint: Springer.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service), Jan J. Rybczyński, Michael R. Davey, i Anna Mikuła. The Gentianaceae - Volume 2: Biotechnology and Applications. Berlin, Heidelberg: Springer Berlin Heidelberg Imprint: Springer, 2015.
MLA način citiranja (8. izdanje)SpringerLink (Online service), et al. The Gentianaceae - Volume 2: Biotechnology and Applications. Springer Berlin Heidelberg Imprint: Springer, 2015.
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