Não informado. (2003). Polish Journal of Natural Sciences. University of Warmia and Mazury in Olsztyn.
Chicago-Zitierstil (17. Ausg.)Não informado. Polish Journal of Natural Sciences. Olsztyn, Polonia: University of Warmia and Mazury in Olsztyn, 2003.
MLA-Zitierstil (8. Ausg.)Não informado. Polish Journal of Natural Sciences. University of Warmia and Mazury in Olsztyn, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.