Cita APA (7th ed.)

NELLIS JOSEPH G. (1997). ESSENCE OF THE ECONOMY (2ND.). PRENTICE -HALL INTERNATIONAL, INC.

Cita Chicago (17th ed.)

NELLIS JOSEPH G. ESSENCE OF THE ECONOMY. 2ND. NEW DELHI: PRENTICE -HALL INTERNATIONAL, INC, 1997.

Cita MLA (9th ed.)

NELLIS JOSEPH G. ESSENCE OF THE ECONOMY. 2ND. PRENTICE -HALL INTERNATIONAL, INC, 1997.