APA aipamena

Smith, H. W. (1966). The Christian's secret of a happy life. F.H. Revell.

Chicago Style aipamena

Smith, Hannah Whitall. The Christian's Secret of a Happy Life. F.H. Revell, 1966.

MLA aipamena

Smith, Hannah Whitall. The Christian's Secret of a Happy Life. F.H. Revell, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.