APA aipamena

Berry, C. L. (1976). Aetiological factors in childhood neoplasia.

Chicago Style aipamena

Berry, C L. Aetiological Factors in Childhood Neoplasia. 1976.

MLA aipamena

Berry, C L. Aetiological Factors in Childhood Neoplasia. 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.