توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Zahid, A. (2015). An improved recommender system based on normalization of matrix factorization and collaborative filtering algorithms.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Zahid, Aafaq. An Improved Recommender System Based on Normalization of Matrix Factorization and Collaborative Filtering Algorithms. 2015.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Zahid, Aafaq. An Improved Recommender System Based on Normalization of Matrix Factorization and Collaborative Filtering Algorithms. 2015.