Sinisalo, T. (2007). Diet and foraging of ringed seals in relation to helminth parasite assemblages.
Chicago-viite (17. p.)Sinisalo, Tuula. Diet and Foraging of Ringed Seals in Relation to Helminth Parasite Assemblages. Jyväskylä, 2007.
MLA-viite (9. p.)Sinisalo, Tuula. Diet and Foraging of Ringed Seals in Relation to Helminth Parasite Assemblages. 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.