Timell, T. (1986). Compression wood in gymnosperms. Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)Timell, T.E. Compression Wood in Gymnosperms. Berlin: Springer-Verlag, 1986.
Lua MLA (9ú heag.)Timell, T.E. Compression Wood in Gymnosperms. Springer-Verlag, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.