Clark, W. E. L. G. (1929). Report to the Committee on Vaccination on an anatomical investigation into the routes by which infections may pass from the nasal cavities into the brain. H.M. Stationary Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Clark, Wilfrid E. Le Gros. Report to the Committee on Vaccination on an Anatomical Investigation into the Routes by Which Infections May Pass from the Nasal Cavities into the Brain. London: H.M. Stationary Off., 1929.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Clark, Wilfrid E. Le Gros. Report to the Committee on Vaccination on an Anatomical Investigation into the Routes by Which Infections May Pass from the Nasal Cavities into the Brain. H.M. Stationary Off., 1929.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.