توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Roberts, A. W., & Arnold, P. C. (1978). Some recent developments in the storage, flow and handling of bulk solids. University of Newcastle, Dept. of Mechanical Engineering.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Roberts, A. W., و P. C. Arnold. Some Recent Developments in the Storage, Flow and Handling of Bulk Solids. [Newcastle, N.S.W.]: University of Newcastle, Dept. of Mechanical Engineering, 1978.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Roberts, A. W., و P. C. Arnold. Some Recent Developments in the Storage, Flow and Handling of Bulk Solids. University of Newcastle, Dept. of Mechanical Engineering, 1978.