Lua APA (7ú heag.)

Bleyer, H. (2007). Tree-ring width of Picea abies (Karsten) from historical object sample IB20003-18. PANGAEA.

Lua i Stíl Chicago (17ú heag.)

Bleyer, Hans-Jürgen. Tree-ring Width of Picea Abies (Karsten) from Historical Object Sample IB20003-18. PANGAEA, 2007.

Lua MLA (9ú heag.)

Bleyer, Hans-Jürgen. Tree-ring Width of Picea Abies (Karsten) from Historical Object Sample IB20003-18. PANGAEA, 2007.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.