Heller, R. e. (1952). Singing time; new settings of songs all Americans love suitable for any singing occasion. Hall & McCreary.
Chicago-viite (17. p.)Heller, Ruth ed. Singing Time; New Settings of Songs All Americans Love Suitable for Any Singing Occasion. Chicago: Hall & McCreary, 1952.
MLA-viite (9. p.)Heller, Ruth ed. Singing Time; New Settings of Songs All Americans Love Suitable for Any Singing Occasion. Hall & McCreary, 1952.
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