توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Heath, J. B. (1961). Not enough competition?: Business restrictive practices examined. Published for the Institute of Economic Affairs, by Barrie and Rockliff.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Heath, J. B. Not Enough Competition?: Business Restrictive Practices Examined. [London]: Published for the Institute of Economic Affairs, by Barrie and Rockliff, 1961.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Heath, J. B. Not Enough Competition?: Business Restrictive Practices Examined. Published for the Institute of Economic Affairs, by Barrie and Rockliff, 1961.