APA (7th ed.) Zitazioa
Kesling, R. V. (1966). A drastic Reappraisal of "Lepidasterella babcocki Schuchert" as Helianthaster gyalin Clarke a Streptophiuran auluroid.
Chicago Style (17th ed.) Zitazioa
Kesling, Robert V. A Drastic Reappraisal of "Lepidasterella Babcocki Schuchert" as Helianthaster Gyalin Clarke a Streptophiuran Auluroid. 1966.
MLA (9th ed.) Zitazioa
Kesling, Robert V. A Drastic Reappraisal of "Lepidasterella Babcocki Schuchert" as Helianthaster Gyalin Clarke a Streptophiuran Auluroid. 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.