APA (7th ed.) Zitazioa
Law William. (1985). The heart of true spirituality. Francis Asbury.
Chicago Style (17th ed.) Zitazioa
Law William. The Heart of True Spirituality. Michigan: Francis Asbury, 1985.
MLA (9th ed.) Zitazioa
Law William. The Heart of True Spirituality. Francis Asbury, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.