APA način citiranja

Gregory, P. J. (2006). Plant roots: Growth, activity, and interaction with soils. Oxford: Blackwell Pub..

Čikaški stil citiranja

Gregory, Peter J. Plant Roots: Growth, Activity, and Interaction With Soils. Oxford: Blackwell Pub., 2006.

MLA način citiranja

Gregory, Peter J. Plant Roots: Growth, Activity, and Interaction With Soils. Oxford: Blackwell Pub., 2006.

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