توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ashton-Gwatkin, F. T. A. (1950). The British Foreign Service; a discussion of the development and function of the British Foreign Service. Syracuse University Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ashton-Gwatkin, Frank Trelawny Arthur. The British Foreign Service; a Discussion of the Development and Function of the British Foreign Service. [Syracuse, N. Y.]: Syracuse University Press, 1950.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Ashton-Gwatkin, Frank Trelawny Arthur. The British Foreign Service; a Discussion of the Development and Function of the British Foreign Service. Syracuse University Press, 1950.