Wormald, M., Nash, R., Hrnciar, P., White, J., Molyneux, R., & Fleet, G. (1998). Configurational and conformational analysis of highly oxygenated pyrrolizidines: Definitive identification of same naturally occurring 7a-epi-alexines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wormald, MR, R. Nash, P. Hrnciar, J. White, R. Molyneux, و G. Fleet. Configurational and Conformational Analysis of Highly Oxygenated Pyrrolizidines: Definitive Identification of Same Naturally Occurring 7a-epi-alexines. 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wormald, MR, et al. Configurational and Conformational Analysis of Highly Oxygenated Pyrrolizidines: Definitive Identification of Same Naturally Occurring 7a-epi-alexines. 1998.
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