توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Wittfoht, H. (1967). Considerations on the cross-sectional design of prestressed concrete bridges with reference to bridges built in 1960. Cement and Concrete Association.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Wittfoht, H. Considerations on the Cross-sectional Design of Prestressed Concrete Bridges with Reference to Bridges Built in 1960. London: Cement and Concrete Association, 1967.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Wittfoht, H. Considerations on the Cross-sectional Design of Prestressed Concrete Bridges with Reference to Bridges Built in 1960. Cement and Concrete Association, 1967.