APA

Hanson J. L., . (1977). Textbook of economics. : ELBS, London.

Chicago

Hanson J L, . 1977. Textbook of economics. : ELBS, London.

Harvard

Hanson J. L., . (1977). Textbook of economics. : ELBS, London.

MLA

Hanson J L, . Textbook of economics. : ELBS, London. 1977.