Tyrefors, N. (1991). Determination of acetylcholine and choline using liquid chromatography and enzyme mediated detection: With emphasis on microdialysis samples. Uppsala University ; Distributor, Almqvist & Wiksell International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tyrefors, Niklas. Determination of Acetylcholine and Choline Using Liquid Chromatography and Enzyme Mediated Detection: With Emphasis on Microdialysis Samples. Uppsala : Stockholm, Sweden: Uppsala University ; Distributor, Almqvist & Wiksell International, 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tyrefors, Niklas. Determination of Acetylcholine and Choline Using Liquid Chromatography and Enzyme Mediated Detection: With Emphasis on Microdialysis Samples. Uppsala University ; Distributor, Almqvist & Wiksell International, 1991.