Dyfyniad APA

(1933). Centralized purchasing and distribution of school supplies / by Timon Covert.

Dyfyniad Arddull Chicago

Centralized Purchasing and Distribution of School Supplies / by Timon Covert. 1933.

Dyfyniad MLA

Centralized Purchasing and Distribution of School Supplies / by Timon Covert. 1933.

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