Παραπομπή σε μορφή APA (7η εκδ.)

Ahola, H. (1986). The Genomic structure, expression and biological properties of four animal papillomaviruses. Swedish University of Agricultural Sciences.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ahola, Harri. The Genomic Structure, Expression and Biological Properties of Four Animal Papillomaviruses. Uppsala, Sweden: Swedish University of Agricultural Sciences, 1986.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ahola, Harri. The Genomic Structure, Expression and Biological Properties of Four Animal Papillomaviruses. Swedish University of Agricultural Sciences, 1986.