توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Philippines (Repulic) Bureau of Private Schools & Paulsen, L. (1952). Memoranda, bulletins, circulars as issued from March 1945 to December 1951: A compilation. Catholic Trade School.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Philippines (Repulic) Bureau of Private Schools و Luis Paulsen. Memoranda, Bulletins, Circulars as Issued from March 1945 to December 1951: A Compilation. [Manila: Catholic Trade School, 1952.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Philippines (Repulic) Bureau of Private Schools و Luis Paulsen. Memoranda, Bulletins, Circulars as Issued from March 1945 to December 1951: A Compilation. Catholic Trade School, 1952.