Hitchcock, C. L. (1945). AN ABNORMAL PEPPERGRASS. Zenodo.
Tohutoru Kātū Chicago (17th ed.)Hitchcock, C. Leo. AN ABNORMAL PEPPERGRASS. Zenodo, 1945.
Tohutoro MLA (9th ed.)Hitchcock, C. Leo. AN ABNORMAL PEPPERGRASS. Zenodo, 1945.
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