APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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