Mercer, G. (1963). Loose-leaf and hand-posting systems, machine accounting equipment (2ed.). Mac donald and evans.
استشهاد بنمط شيكاغوMercer, G.Lawrence. Loose-leaf and Hand-posting Systems, Machine Accounting Equipment. 2ed. London: Mac donald and evans, 1963.
MLA استشهادMercer, G.Lawrence. Loose-leaf and Hand-posting Systems, Machine Accounting Equipment. 2ed. Mac donald and evans, 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.