APA

Schiller B. R., . (1993). Essentials of economics. New York: McGraw-Hill.

Chicago

Schiller Bradley R, . 1993. Essentials of economics. New York: McGraw-Hill.

Harvard

Schiller B. R., . (1993). Essentials of economics. New York: McGraw-Hill.

MLA

Schiller Bradley R, . Essentials of economics. New York: McGraw-Hill. 1993.