APA (7th ed.) Citation

Abdullah, N. A., & Jusoh, S. M. (2005). Smart key using keypad / Nor Afidah Abdullah and Siti Mariam Jusoh.

Chicago Style (17th ed.) Citation

Abdullah, Nor Afidah, and Siti Mariam Jusoh. Smart Key Using Keypad / Nor Afidah Abdullah and Siti Mariam Jusoh. 2005.

MLA (9th ed.) Citation

Abdullah, Nor Afidah, and Siti Mariam Jusoh. Smart Key Using Keypad / Nor Afidah Abdullah and Siti Mariam Jusoh. 2005.

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