Gaya APA

al.], S, V, Z, [. (2014). Contemporary Conditions and Key Trends in Development of Groups of Harbor Seals (Phoca vitulina stejnegeri) and Spotted Seals (Phoca largha) in the Bering and Medny Islands (Komandorsky Archipelago) . : Elsevier.

Gaya MLA

al.], Sergey, V., Zagrebelniy, [et. "Contemporary Conditions and Key Trends in Development of Groups of Harbor Seals (Phoca vitulina stejnegeri) and Spotted Seals (Phoca largha) in the Bering and Medny Islands (Komandorsky Archipelago)". : Elsevier, 2014. e-journal.