APA (7th ed.) Citation

Hisham Nor, M. H. A., & Nik Mohd Asri, N. M. A. (2016). Automatic doorbell.

Chicago Style (17th ed.) Citation

Hisham Nor, Muhammad Hadi Arif, and Nik Muhammad Ameer Nik Mohd Asri. Automatic Doorbell. 2016.

MLA (9th ed.) Citation

Hisham Nor, Muhammad Hadi Arif, and Nik Muhammad Ameer Nik Mohd Asri. Automatic Doorbell. 2016.

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