APA (7th ed.) Zitazioa
STUDIES on cenozoic paleontology and stratigraphy.
Chicago Style (17th ed.) Zitazioa
STUDIES on Cenozoic Paleontology and Stratigraphy.
MLA (9th ed.) Zitazioa
STUDIES on Cenozoic Paleontology and Stratigraphy.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.