APA

Yates C. S. J., . (1993). Economics. Oxford: Prentice Hall.

Chicago

Yates C S J, . 1993. Economics. Oxford: Prentice Hall.

Harvard

Yates C. S. J., . (1993). Economics. Oxford: Prentice Hall.

MLA

Yates C S J, . Economics. Oxford: Prentice Hall. 1993.