Neyland, R. (2011). A field guide to the ferns and lycophytes of Louisiana, including east Texas, southern Arkansas, and Mississippi. Louisiana State University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Neyland, Ray. A Field Guide to the Ferns and Lycophytes of Louisiana, Including East Texas, Southern Arkansas, and Mississippi. Baton Rouge: Louisiana State University Press, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Neyland, Ray. A Field Guide to the Ferns and Lycophytes of Louisiana, Including East Texas, Southern Arkansas, and Mississippi. Louisiana State University Press, 2011.
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