APA (7. basım) Alıntı

Samsom, P. (2001). Earth systems today /living text. wadsworth group.

Chicago Style (17. basım) Atıf

Samsom, Perry. Earth Systems Today /living Text. Brooks/cole: wadsworth group, 2001.

MLA (9th ed.) Atıf

Samsom, Perry. Earth Systems Today /living Text. wadsworth group, 2001.