توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Blackstone, T., & Crispin, A. (1982). How many teachers?: Issues of policy, planning and demography. Institute of Education, University of London.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Blackstone, Tessa, و Alan Crispin. How Many Teachers?: Issues of Policy, Planning and Demography. London: Institute of Education, University of London, 1982.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Blackstone, Tessa, و Alan Crispin. How Many Teachers?: Issues of Policy, Planning and Demography. Institute of Education, University of London, 1982.