Dyfyniad APA

(1966). Code of practice for library lighting. Indian Standards Institution.

Dyfyniad Arddull Chicago

Code of Practice for Library Lighting. New Delhi: Indian Standards Institution, 1966.

Dyfyniad MLA

Code of Practice for Library Lighting. Indian Standards Institution, 1966.

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