APA način citiranja (7. izdanje)

Harris, H. H. (1959). The history and calculation of pi. Graduate Division of the Kansas State Teachers College.

Čikaški stil citiranja (17. izdanje)

Harris, Herman H. The History and Calculation of Pi. Emporia: Graduate Division of the Kansas State Teachers College, 1959.

MLA način citiranja (8. izdanje)

Harris, Herman H. The History and Calculation of Pi. Graduate Division of the Kansas State Teachers College, 1959.

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