Dyfyniad APA

Silverman, H. A. (1965). The substance of economics for the student and the general reader. Sir Isaac Pitman and Sons.

Dyfyniad Arddull Chicago

Silverman, H. A. The Substance of Economics for the Student and the General Reader. London: Sir Isaac Pitman and Sons, 1965.

Dyfyniad MLA

Silverman, H. A. The Substance of Economics for the Student and the General Reader. Sir Isaac Pitman and Sons, 1965.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.