APA aipamena

Graham, B. (1956). Secret of happiness: Teaching of Jesus on happiness as expressed in the Beatitude.

Chicago Style aipamena

Graham, Billy. Secret of Happiness: Teaching of Jesus on Happiness as Expressed in the Beatitude. 1956.

MLA aipamena

Graham, Billy. Secret of Happiness: Teaching of Jesus on Happiness as Expressed in the Beatitude. 1956.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.