Aarnio, B. (1918). Illustration of ferromanganese concretions retrieved from the lakes of Western Finland. PANGAEA.
Citazione stile Chigago Style (17a edizione)Aarnio, B. Illustration of Ferromanganese Concretions Retrieved from the Lakes of Western Finland. PANGAEA, 1918.
Citatione MLA (9a ed.)Aarnio, B. Illustration of Ferromanganese Concretions Retrieved from the Lakes of Western Finland. PANGAEA, 1918.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.