Silverman, H. A. (1965). The substance of economics for the student and the general reader. Sir Isaac Pitman and Sons.
استشهاد بنمط شيكاغوSilverman, H. A. The Substance of Economics for the Student and the General Reader. London: Sir Isaac Pitman and Sons, 1965.
MLA استشهادSilverman, H. A. The Substance of Economics for the Student and the General Reader. Sir Isaac Pitman and Sons, 1965.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.