Ahola, H. (1986). The Genomic structure, expression and biological properties of four animal papillomaviruses. Swedish University of Agricultural Sciences.
Čikaški stil citiranja (17. izdanje)Ahola, Harri. The Genomic Structure, Expression and Biological Properties of Four Animal Papillomaviruses. Uppsala, Sweden: Swedish University of Agricultural Sciences, 1986.
MLA način citiranja (8. izdanje)Ahola, Harri. The Genomic Structure, Expression and Biological Properties of Four Animal Papillomaviruses. Swedish University of Agricultural Sciences, 1986.
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