APA ציטוט

Ritchie, D. A. A. (2010). The U S Congress: A very short introduction.

Chicago Edition Citation

Ritchie, Donald A; Author. The U S Congress: A Very Short Introduction. Oxford, Oxford University Press, 2010.

ציטוט MLA

Ritchie, Donald A; Author. The U S Congress: A Very Short Introduction. 2010.