Mary John. (1985). Recent developments in input- output analysis. Department of Mathematics and Statistics, Cusat.
استشهاد بنمط شيكاغوMary John. Recent Developments in Input- Output Analysis. Cochin: Department of Mathematics and Statistics, Cusat, 1985.
MLA استشهادMary John. Recent Developments in Input- Output Analysis. Department of Mathematics and Statistics, Cusat, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.