Heller, R. e. (1955). Our singing nation; 175 songs for unison or mixed voices with brief descriptions of the times in which they became popular. Hall & McCreary.
Čikaški stil citiranja (17. izdanje)Heller, Ruth ed. Our Singing Nation; 175 Songs for Unison or Mixed Voices with Brief Descriptions of the Times in Which They Became Popular. Chicago: Hall & McCreary, 1955.
MLA način citiranja (9. izdanje)Heller, Ruth ed. Our Singing Nation; 175 Songs for Unison or Mixed Voices with Brief Descriptions of the Times in Which They Became Popular. Hall & McCreary, 1955.
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