Dyfyniad APA

Thompson ,James. (1971). Decimal Classification and relative Index Ed.18 Vol.1. Lake Placid Club.

Dyfyniad Arddull Chicago

Thompson ,James. Decimal Classification and Relative Index Ed.18 Vol.1. London: Lake Placid Club, 1971.

Dyfyniad MLA

Thompson ,James. Decimal Classification and Relative Index Ed.18 Vol.1. Lake Placid Club, 1971.

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