APA (7e ed.) Bronvermelding

Não informado. (2003). Polish Journal of Natural Sciences. University of Warmia and Mazury in Olsztyn.

Chicago (17e ed.) Bronvermelding

Não informado. Polish Journal of Natural Sciences. Olsztyn, Polonia: University of Warmia and Mazury in Olsztyn, 2003.

MLA (8e ed.) Bronvermelding

Não informado. Polish Journal of Natural Sciences. University of Warmia and Mazury in Olsztyn, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.