Παραπομπή APA

McKenzie,Richard B, & Tullock,Gordon. (1978). The new world of economics: Explorations into the human experience. Richard D Irwin Inc.

Παραπομπή Chicago Style

McKenzie,Richard B, και Tullock,Gordon. The New World of Economics: Explorations into the Human Experience. Illinois: Richard D Irwin Inc, 1978.

Παραπομπή MLA

McKenzie,Richard B, και Tullock,Gordon. The New World of Economics: Explorations into the Human Experience. Richard D Irwin Inc, 1978.