توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

National Associaton of Industrial and Office Parks. Educational Foundation. (1985). Protective covenants: Creating, understanding and enforcing industrial and office park protective covenants ([New ed.].). The Association.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

National Associaton of Industrial and Office Parks. Educational Foundation. Protective Covenants: Creating, Understanding and Enforcing Industrial and Office Park Protective Covenants. [New ed.]. Arlington, Va.: The Association, 1985.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

National Associaton of Industrial and Office Parks. Educational Foundation. Protective Covenants: Creating, Understanding and Enforcing Industrial and Office Park Protective Covenants. [New ed.]. The Association, 1985.