Sorensen, P. B. (2005). Introducing Advanced macroeconomicsgrowth & business cyclesPeter Birch Sorensen and Hans Jorgen Whitta-Jacobsen. McGraw-Hill.
Chicago Style aipamenaSorensen, Peter Birch. Introducing Advanced Macroeconomicsgrowth & Business CyclesPeter Birch Sorensen and Hans Jorgen Whitta-Jacobsen. McGraw-Hill, 2005.
MLA aipamenaSorensen, Peter Birch. Introducing Advanced Macroeconomicsgrowth & Business CyclesPeter Birch Sorensen and Hans Jorgen Whitta-Jacobsen. McGraw-Hill, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.