Alfred Wegener Institute for Polar and Marine Research. (2001). Helgoland Marine Research. Springer.
Citação do estilo Chicago (17ª ed.)Alfred Wegener Institute for Polar and Marine Research. Helgoland Marine Research. Berlin: Springer, 2001.
Citação MLA (8ª ed.)Alfred Wegener Institute for Polar and Marine Research. Helgoland Marine Research. Springer, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.