Cita APA

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

Chicago Edition Citation

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

Cita MLA

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