APA استشهاد

Khoo, H. C., & Liang, G. Y. (2017). Improvement to the safety of electric bicycle usage in Singapore.

استشهاد بنمط شيكاغو

Khoo, Hoe Chin, و Guan Yong Liang. Improvement to the Safety of Electric Bicycle Usage in Singapore. 2017.

MLA استشهاد

Khoo, Hoe Chin, و Guan Yong Liang. Improvement to the Safety of Electric Bicycle Usage in Singapore. 2017.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.