Saya mau tau Lihat pula dari Biologi tanah

Doran, J.W., D.C. Coleman, D.F. Bezdicek and B.A. Stewart. 1994. Defining soil quality for a sustainable environment. Soil Science Society of America Special Publication Number 35, ASA, Madison Wis.

Paul, P.A. and F.E. Clark. 1996, Soil Microbiology and Biochemistry, 2nd edition, Academic Press

Richards, 1987, The Microbiology of Terrestrial Ecosystems, Longman Scientific & Technical

Sylvia et al., 1998, Principles and Applications of Soil Microbiology, Prentice Hall

Soil and Water Conservation Society, 2000, Soil Biology Primer.

Tate, 2000, Soil Microbiology, 2nd edition, John Wiley

USDA-NRCS - Soil Biology URL accessed on 2006-04-11

van Elsas et al., 1997, Modern Soil Microbiology, Marcel Dekker

Wood, 1995, Environmental Soil Biology, 2nd edition, Blackie A & P