Begbie, H. (1923). Seven ages: A brief and simple narrative of the pilgrame of the human mind as it has affected the english-speaking world. Mill-Boon.
Čikaški stil citiranja (17. izdanje)Begbie, Harold. Seven Ages: A Brief and Simple Narrative of the Pilgrame of the Human Mind as It Has Affected the English-speaking World. Londres: Mill-Boon, 1923.
MLA način citiranja (9. izdanje)Begbie, Harold. Seven Ages: A Brief and Simple Narrative of the Pilgrame of the Human Mind as It Has Affected the English-speaking World. Mill-Boon, 1923.
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