Cita APA (7th ed.)

BACH, G. L. (1968). Economics an introduction to analysis and policy (6th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

BACH, George Leland. Economics an Introduction to Analysis and Policy. 6th ed. Englewood Cliffs: Prentice-Hall, 1968.

Cita MLA (9th ed.)

BACH, George Leland. Economics an Introduction to Analysis and Policy. 6th ed. Prentice-Hall, 1968.