APA (7th ed.) Citation

Ching, Y. Y. (2002). Easytrip Information System (ETIS) Backend System / Ching Yu Yu.

Chicago Style (17th ed.) Citation

Ching, Yu Yu. Easytrip Information System (ETIS) Backend System / Ching Yu Yu. 2002.

MLA (9th ed.) Citation

Ching, Yu Yu. Easytrip Information System (ETIS) Backend System / Ching Yu Yu. 2002.

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