Dhillon, G. P. S., & Sidhu, D. Studies on genotype x environment interactions of poplar (Populus deltoides) in Punjab.
Lua i Stíl Chicago (17ú heag.)Dhillon, Gurvinder Pal Singh, agus D.S Sidhu. Studies on Genotype X Environment Interactions of Poplar (Populus Deltoides) in Punjab.
Lua MLA (9ú heag.)Dhillon, Gurvinder Pal Singh, agus D.S Sidhu. Studies on Genotype X Environment Interactions of Poplar (Populus Deltoides) in Punjab.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.