RITCHIE, D. A. (1985). Heritage Of Freedom History Of The United States Donald A. Ritchie. Macmillan Publishing Company.
Čikaški stil citiranja (17. izdanje)RITCHIE, Donald A. Heritage Of Freedom History Of The United States Donald A. Ritchie. Macmillan Publishing Company, 1985.
MLA način citiranja (8. izdanje)RITCHIE, Donald A. Heritage Of Freedom History Of The United States Donald A. Ritchie. Macmillan Publishing Company, 1985.
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