Παραπομπή APA

AH Fitter. (1985). Ecological interactions in soil: Plants,microbes & animals. Blackwell Scientific publications.

Παραπομπή Chicago Style

AH Fitter. Ecological Interactions in Soil: Plants,microbes & Animals. Boston: Blackwell Scientific publications, 1985.

Παραπομπή MLA

AH Fitter. Ecological Interactions in Soil: Plants,microbes & Animals. Blackwell Scientific publications, 1985.