APA

Hardwick P. e. a., . (1994). Introduction to modern economics. : ELBS, London.

Chicago

Hardwick Philip et al, . 1994. Introduction to modern economics. : ELBS, London.

Harvard

Hardwick P. e. a., . (1994). Introduction to modern economics. : ELBS, London.

MLA

Hardwick Philip et al, . Introduction to modern economics. : ELBS, London. 1994.