Παραπομπή APA

Mary John. (1985). Recent developments in input- output analysis. Department of Mathematics and Statistics, Cusat.

Παραπομπή Chicago Style

Mary John. Recent Developments in Input- Output Analysis. Cochin: Department of Mathematics and Statistics, Cusat, 1985.

Παραπομπή MLA

Mary John. Recent Developments in Input- Output Analysis. Department of Mathematics and Statistics, Cusat, 1985.