Pammel, L. B. A manual of poisonous plants: Chiefly of eastern north America, with brief notes on economic and medicinal plants, and numerous illustration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pammel, L. B. A Manual of Poisonous Plants: Chiefly of Eastern North America, with Brief Notes on Economic and Medicinal Plants, and Numerous Illustration.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pammel, L. B. A Manual of Poisonous Plants: Chiefly of Eastern North America, with Brief Notes on Economic and Medicinal Plants, and Numerous Illustration.
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