Elkan, P. G. (1982). The New Model Economy. ELSEVIER.
Cita Chicago (17th ed.)Elkan, Peter G. The New Model Economy. ELSEVIER, 1982.
Cita MLA (8th ed.)Elkan, Peter G. The New Model Economy. ELSEVIER, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.