Graph. (1972). Lohappani.
Chicago Style aipamenaGraph. Lohappani. 1972.
MLA aipamenaGraph. Lohappani. 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Graph. (1972). Lohappani.
Chicago Style aipamenaGraph. Lohappani. 1972.
MLA aipamenaGraph. Lohappani. 1972.