APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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

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