American Library Association & Sell, V. (1957). Subject index to poetry for children and young people. The Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Library Association και Violet Sell. Subject Index to Poetry for Children and Young People. Chicago: The Association, 1957.
Παραπομπή σε μορφή MLA (8th εκδ.)American Library Association και Violet Sell. Subject Index to Poetry for Children and Young People. The Association, 1957.
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