APA ציטוט

Derbyshire, J. D., & Derbyshire, I. (1989). Chambers political systems of the world. Chambers.

Chicago Style (17th ed.) Citation

Derbyshire, J. Denis, and Ian Derbyshire. Chambers Political Systems of the World. Edinburgh: Chambers, 1989.

ציטוט MLA

Derbyshire, J. Denis, and Ian Derbyshire. Chambers Political Systems of the World. Chambers, 1989.