Dyfyniad APA
Harnack, A. (1957). What is Christianity? Peter Smith Publishers.
Dyfyniad Arddull Chicago
Harnack, Adolf. What Is Christianity? U.S.A: Peter Smith Publishers, 1957.
Dyfyniad MLA
Harnack, Adolf. What Is Christianity? Peter Smith Publishers, 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.