توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Spiller, P. T. (1994). Regulation, institutions and commitment: The British telecommunications sector. World Bank, Policy Research Department, Finance and Private Sector Development Division.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Spiller, Pablo T. Regulation, Institutions and Commitment: The British Telecommunications Sector. Washington, D.C: World Bank, Policy Research Department, Finance and Private Sector Development Division, 1994.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Spiller, Pablo T. Regulation, Institutions and Commitment: The British Telecommunications Sector. World Bank, Policy Research Department, Finance and Private Sector Development Division, 1994.