APA aipamena

STANLEY, S. M. (1977). Earth and life through time. W.H. Freeman.

Chicago Style aipamena

STANLEY, Steven M. Earth and Life Through Time. W.H. Freeman, 1977.

MLA aipamena

STANLEY, Steven M. Earth and Life Through Time. W.H. Freeman, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.