APA aipamena

Ballestero, D. (2003). Study of the Layer of Sediment in the San Juan River.

Chicago Style aipamena

Ballestero, Daniel. Study of the Layer of Sediment in the San Juan River. 2003.

MLA aipamena

Ballestero, Daniel. Study of the Layer of Sediment in the San Juan River. 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.