APA

Hailstones T., . (1968). Basic economics. Estados Unidos: South-Western Publishing.

Chicago

Hailstones Thomas, . 1968. Basic economics. Estados Unidos: South-Western Publishing.

Harvard

Hailstones T., . (1968). Basic economics. Estados Unidos: South-Western Publishing.

MLA

Hailstones Thomas, . Basic economics. Estados Unidos: South-Western Publishing. 1968.