Cita APA (7th ed.)
Eggert, J. (1974). What is Economics? Bergamot.
Cita Chicago (17th ed.)
Eggert, Jim. What Is Economics? Colfax: Bergamot, 1974.
Cita MLA (9th ed.)
Eggert, Jim. What Is Economics? Bergamot, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.