Schweingruber, F. H., & Brunner, M. (2007). Tree-ring measurements of Picea glauca (White spruce) from sample NELSON-102. PANGAEA.
Citazione stile Chigago Style (17a edizione)Schweingruber, Fritz Hans, e Margrit Brunner. Tree-ring Measurements of Picea Glauca (White Spruce) from Sample NELSON-102. PANGAEA, 2007.
Citatione MLA (9a ed.)Schweingruber, Fritz Hans, e Margrit Brunner. Tree-ring Measurements of Picea Glauca (White Spruce) from Sample NELSON-102. PANGAEA, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.