APA (7th ed.) Zitazioa
Barclay, W. (1981). The plain man looks at the apostles creed. Collins.
Chicago Style (17th ed.) Zitazioa
Barclay, William. The Plain Man Looks at the Apostles Creed. Glasgow: Collins, 1981.
MLA (9th ed.) Zitazioa
Barclay, William. The Plain Man Looks at the Apostles Creed. Collins, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.