Dyfyniad APA

Tien, T. M., Gaskins, M. H., & Hubbell, D. H. (1979). Plant Growth Substances Produced by Azospirillum brasilense and Their Effect on the Growth of Pearl Millet (Pennisetum americanum L.).

Dyfyniad Arddull Chicago

Tien, T. M., M. H. Gaskins, and D. H. Hubbell. Plant Growth Substances Produced By Azospirillum Brasilense and Their Effect On the Growth of Pearl Millet (Pennisetum Americanum L.). 1979.

Dyfyniad MLA

Tien, T. M., M. H. Gaskins, and D. H. Hubbell. Plant Growth Substances Produced By Azospirillum Brasilense and Their Effect On the Growth of Pearl Millet (Pennisetum Americanum L.). 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.