Cook, S. (1994). If this is mid-life-- where's the crisis? Pfeifer-Hamilton.
Chicago Style (17th ed.) ZitazioaCook, Sam. If This Is Mid-life-- Where's the Crisis? Duluth, Minn.: Pfeifer-Hamilton, 1994.
MLA (9th ed.) ZitazioaCook, Sam. If This Is Mid-life-- Where's the Crisis? Pfeifer-Hamilton, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.