توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Barnes, W., & Morgan, J. H. (1961). The Foreign Service of the United States: Origins, development and functions. Historical Office, Bureau of Public Affairs, Dept. of State.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Barnes, William, و John Heath Morgan. The Foreign Service of the United States: Origins, Development and Functions. [Washington: Historical Office, Bureau of Public Affairs, Dept. of State, 1961.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Barnes, William, و John Heath Morgan. The Foreign Service of the United States: Origins, Development and Functions. Historical Office, Bureau of Public Affairs, Dept. of State, 1961.