APA aipamena

Richter, D. d. (2001). Understanding soil change. Cambridge: Cambridge University Press.

Chicago Style aipamena

Richter, Daniel deBoucherville. Understanding Soil Change. Cambridge: Cambridge University Press, 2001.

MLA aipamena

Richter, Daniel deBoucherville. Understanding Soil Change. Cambridge: Cambridge University Press, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.