Opik, H., & Street, H. E. (1986). The physiology of flowering plants: Their growth and development (Ed.3.).
Παραπομπή Chicago StyleOpik, Helgi, και H E. Street. The Physiology of Flowering Plants: Their Growth and Development. Ed.3. London, Edward Arnold, 1986.
Παραπομπή MLAOpik, Helgi, και H E. Street. The Physiology of Flowering Plants: Their Growth and Development. Ed.3. 1986.
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