APA引文

singer, p. (1993). Practical Ethics (2nd.). cambridge University Press.

Chicago Style (17th ed.) Citation

singer, peter. Practical Ethics. 2nd. Cambridge: cambridge University Press, 1993.

MLA引文

singer, peter. Practical Ethics. 2nd. cambridge University Press, 1993.

警告：這些引文格式不一定是100％准確.