Smith, J. (2022). How to be confident. HarperCollins publishers.
Chicago Style (17th ed.) ZitazioaSmith, James. How to Be Confident. London: HarperCollins publishers, 2022.
MLA (9th ed.) ZitazioaSmith, James. How to Be Confident. HarperCollins publishers, 2022.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.