APA (7th ed.) Citation

Md. Zahir Mat Cha & Helmi Mohamed Hussain. (1998). Pengaturcaraan COBOL. Universiti Utara Malaysia.

Chicago Style (17th ed.) Citation

Md. Zahir Mat Cha and Helmi Mohamed Hussain. Pengaturcaraan COBOL. Sintok, Kedah: Universiti Utara Malaysia, 1998.

MLA (9th ed.) Citation

Md. Zahir Mat Cha and Helmi Mohamed Hussain. Pengaturcaraan COBOL. Universiti Utara Malaysia, 1998.

Warning: These citations may not always be 100% accurate.