APA (7th ed.) Zitazioa
Caswell, H. (1985). God's world makes me feel so little. Abingdon.
Chicago Style (17th ed.) Zitazioa
Caswell, Helen. God's World Makes Me Feel so Little. Nashville: Abingdon, 1985.
MLA (9th ed.) Zitazioa
Caswell, Helen. God's World Makes Me Feel so Little. Abingdon, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.