Tietueen sitaatit
APA-viiteHelle, E. (1980). Growth and size of the ringed seal Phoca (Pusa) hispida Schreber in the Bothnian Bay, Baltic. Acta Universitatis Ouluensis. A, Scientiae rerum naturalium, 44(4), 208-220.
Chicago-tyylinen lähdeviittausHelle, Eero. "Growth and Size of the Ringed Seal Phoca (Pusa) Hispida Schreber in the Bothnian Bay, Baltic." Acta Universitatis Ouluensis. A, Scientiae Rerum Naturalium 44, no. 4 (1980): 208-220.
MLA-viiteHelle, Eero. "Growth and Size of the Ringed Seal Phoca (Pusa) Hispida Schreber in the Bothnian Bay, Baltic." Acta Universitatis Ouluensis. A, Scientiae Rerum Naturalium, vol. 44, no. 4, 1980, pp. 208-220.
Harvard-tyylinen lähdeviittausHelle, E. 1980. Growth and size of the ringed seal Phoca (Pusa) hispida Schreber in the Bothnian Bay, Baltic. Acta Universitatis Ouluensis. A, Scientiae rerum naturalium, 44(4), pp. 208-220.