توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

CHRISTENSEN, J. P. R. (1974). Topology and borel structure: Descriptive topology and set theory with applications to functional analysis and measure theory. North-Holland.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

CHRISTENSEN, Jens Peter Reus. Topology and Borel Structure: Descriptive Topology and Set Theory with Applications to Functional Analysis and Measure Theory. Amsterdam: North-Holland, 1974.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

CHRISTENSEN, Jens Peter Reus. Topology and Borel Structure: Descriptive Topology and Set Theory with Applications to Functional Analysis and Measure Theory. North-Holland, 1974.