APA引文

elsharkawy, a. i. (1990). Renewable energy sources.

Chicago Style (17th ed.) Citation

elsharkawy, abdullatif i. Renewable Energy Sources. cairo, 1990.

MLA引文

elsharkawy, abdullatif i. Renewable Energy Sources. 1990.

警告：這些引文格式不一定是100％准確.