APA引文

Hamid, M. A. (2010). Design and development of a digging device for harvesting sweet potato.

Chicago Style (17th ed.) Citation

Hamid, Md. Akhir. Design and Development of a Digging Device for Harvesting Sweet Potato. 2010.

MLA引文

Hamid, Md. Akhir. Design and Development of a Digging Device for Harvesting Sweet Potato. 2010.

警告：這些引文格式不一定是100％准確.