APA ציטוט

Bleyer, H. (2007). Tree-ring width of Picea abies (Karsten) from historical object sample IB20003-17. PANGAEA.

Chicago Style (17th ed.) Citation

Bleyer, Hans-Jürgen. Tree-ring Width of Picea Abies (Karsten) from Historical Object Sample IB20003-17. PANGAEA, 2007.

ציטוט MLA

Bleyer, Hans-Jürgen. Tree-ring Width of Picea Abies (Karsten) from Historical Object Sample IB20003-17. PANGAEA, 2007.