Gaya APA

Gordon, ., C.T, W. (1983). Biological Nitrogen Fixation In Forest Ecosystems: Foundations And Applications . Lancaster: Martinus Nijhoff/Dr W. Publishers.

Gaya MLA

Gordon, ., C.T, Wheeler. "Biological Nitrogen Fixation In Forest Ecosystems: Foundations And Applications". Lancaster: Martinus Nijhoff/Dr W. Publishers, 1983. Text.