APA aipamena

Weyn, S. (2010). Racing Against Time. Scholastic.

Chicago Style aipamena

Weyn, Suzanne. Racing Against Time. Scholastic, 2010.

MLA aipamena

Weyn, Suzanne. Racing Against Time. Scholastic, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.