APA aipamena

Rubel, D. (2008). Atlas of the United States. Scholastics.

Chicago Style aipamena

Rubel, David. Atlas of the United States. Scholastics, 2008.

MLA aipamena

Rubel, David. Atlas of the United States. Scholastics, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.