Gaya APA
Anderson, J., Ingram, J, I. (1989).
Tropical Soil Biology And Fertility: A Handbook Of Methods .
Zimbabwe:
C.A.B International.
Gaya MLA
Anderson, J.M., Ingram, J.S, I.
"Tropical Soil Biology And Fertility: A Handbook Of Methods".
Zimbabwe:
C.A.B International,
1989.
Text.