Citazione APA

ISI. (1975). Indian standard guide for print area, margin and type sizes for text books Part 1. Indian standards Institution.

Stile di citazione Chicago

ISI. Indian Standard Guide for Print Area, Margin and Type Sizes for Text Books Part 1. London: Indian standards Institution, 1975.

Citazione MLA

ISI. Indian Standard Guide for Print Area, Margin and Type Sizes for Text Books Part 1. Indian standards Institution, 1975.