Schweingruber, F. H., & Eimiger, M. (2007). Tree-ring measurements of Abies alba (Silver fir) from sample ASPRO-122. PANGAEA.
Citazione stile Chigago Style (17a edizione)Schweingruber, Fritz Hans, e Moritz Eimiger. Tree-ring Measurements of Abies Alba (Silver Fir) from Sample ASPRO-122. PANGAEA, 2007.
Citatione MLA (9a ed.)Schweingruber, Fritz Hans, e Moritz Eimiger. Tree-ring Measurements of Abies Alba (Silver Fir) from Sample ASPRO-122. PANGAEA, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.