APA-viite

P, K. P. N. K. Sturdies in Rings: Generalised unique factorisation Rings. Dept of mathematics and Statistics.

Chicago-tyylinen lähdeviittaus

P, K P Naveenachandra K. Sturdies in Rings: Generalised Unique Factorisation Rings. Cochin: Dept of mathematics and Statistics.

MLA-viite

P, K P Naveenachandra K. Sturdies in Rings: Generalised Unique Factorisation Rings. Dept of mathematics and Statistics.