APA (7th ed.) Zitazioa

Bulletin of Geography: Physical Geography Series | Nicolaus Copernicus University in ToruÅ". Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Bulletin of Geography: Physical Geography Series | Nicolaus Copernicus University in ToruÅ". Cambridge University Press.

MLA (9th ed.) Zitazioa

Bulletin of Geography: Physical Geography Series | Nicolaus Copernicus University in ToruÅ". Cambridge University Press.