APA (7th ed.) Citation

Wong,Yuet Wah. (1983). Happy days. Pustaka delta pelajaran sdn.bhd..

Chicago Style (17th ed.) Citation

Wong,Yuet Wah. Happy Days. Selangor: Pustaka delta pelajaran sdn.bhd., 1983.

MLA (9th ed.) Citation

Wong,Yuet Wah. Happy Days. Pustaka delta pelajaran sdn.bhd., 1983.

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