Cita APA (7th ed.)

Dell, S. (1963). Trade blocs and common markets. Alfred A. Knopf.

Cita Chicago (17th ed.)

Dell, Sidney. Trade Blocs and Common Markets. Nueva York: Alfred A. Knopf, 1963.

Cita MLA (9th ed.)

Dell, Sidney. Trade Blocs and Common Markets. Alfred A. Knopf, 1963.