توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Petermann, E. (1974). A characterization of linear spaces and their affine maps and a method of constructing categories related to it. Rotobeckman.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Petermann, Eike. A Characterization of Linear Spaces and Their Affine Maps and a Method of Constructing Categories Related to It. Stockholm: Rotobeckman, 1974.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Petermann, Eike. A Characterization of Linear Spaces and Their Affine Maps and a Method of Constructing Categories Related to It. Rotobeckman, 1974.