Agassiz, L. (1863). Methods of study in natural history. Ticknor and Fields.
Chicago Style aipamenaAgassiz, Louis. Methods of Study in Natural History. Boston: Ticknor and Fields, 1863.
MLA aipamenaAgassiz, Louis. Methods of Study in Natural History. Ticknor and Fields, 1863.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.