Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.