APA استشهاد

Young, J. T. (1978). Classical theories of value: From smith to sraffa.

استشهاد بنمط شيكاغو

Young, Jeffrey T. Classical Theories of Value: From Smith to Sraffa. Colorado, West View Press, 1978.

MLA استشهاد

Young, Jeffrey T. Classical Theories of Value: From Smith to Sraffa. 1978.