Herbert, A. P. (1949). Topsy omnibus.
Chicago Style aipamenaHerbert, A. P. Topsy Omnibus. 1949.
MLA aipamenaHerbert, A. P. Topsy Omnibus. 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
Herbert, A. P. (1949). Topsy omnibus.
Chicago Style aipamenaHerbert, A. P. Topsy Omnibus. 1949.
MLA aipamenaHerbert, A. P. Topsy Omnibus. 1949.