APA-viite (7. p.)

Nakhla, A. F., & Yousef, M. Y. (1969). Matrix Inversion: ( Elimination Methods ). The Institute of National Planning.

Chicago-viite (17. p.)

Nakhla, Afaf Fouad, ja Mohamed Yehia Yousef. Matrix Inversion: ( Elimination Methods ). Cairo: The Institute of National Planning, 1969.

MLA-viite (9. p.)

Nakhla, Afaf Fouad, ja Mohamed Yehia Yousef. Matrix Inversion: ( Elimination Methods ). The Institute of National Planning, 1969.