Ionia State Hospital (Michigan). (1912). Report of the Trustees of the Ionia State Hospital at Ionia, Michigan, for the biennial period ending. Wynkoop Hallenbeck Crawford Co., State Printers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ionia State Hospital (Michigan). Report of the Trustees of the Ionia State Hospital at Ionia, Michigan, for the Biennial Period Ending. Lansing, Mich.: Wynkoop Hallenbeck Crawford Co., State Printers, 1912.
Παραπομπή σε μορφή MLA (8th εκδ.)Ionia State Hospital (Michigan). Report of the Trustees of the Ionia State Hospital at Ionia, Michigan, for the Biennial Period Ending. Wynkoop Hallenbeck Crawford Co., State Printers, 1912.
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