APA引文

Shantakumar, G. (1973). The present demographic profile of Singapore and its economic and social implications.

Chicago Style (17th ed.) Citation

Shantakumar, G. The Present Demographic Profile of Singapore and Its Economic and Social Implications. 1973.

MLA引文

Shantakumar, G. The Present Demographic Profile of Singapore and Its Economic and Social Implications. 1973.

警告：这些引文格式不一定是100％准确.