APA-čujuhus (7. p.)
Birkey, V. (1978). You: A people helper. Enriched Living.
Chicago-čujuhus (17. p.)
Birkey, Verna. You: A People Helper. Kent, Washington: Enriched Living, 1978.
MLA-čujuhus (9. p.)
Birkey, Verna. You: A People Helper. Enriched Living, 1978.
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