APA استشهاد

Smith,S A de. (1973). Constitutional and administrative law (2nd ed.). Penguin books.

استشهاد بنمط شيكاغو

Smith,S A de. Constitutional and Administrative Law. 2nd ed. London: Penguin books, 1973.

MLA استشهاد

Smith,S A de. Constitutional and Administrative Law. 2nd ed. Penguin books, 1973.