Cita APA (7th ed.)

Shelley M.Mark. (1959). Economics in action. Wadsworth.

Cita Chicago (17th ed.)

Shelley M.Mark. Economics in Action. San Francisco: Wadsworth, 1959.

Cita MLA (9th ed.)

Shelley M.Mark. Economics in Action. Wadsworth, 1959.

Atenció: Aquestes cites poden no estar 100% correctes.