Παραπομπή APA

Gould,John P, & Lazear,Edward P. (1989). Microeconomic theory (6.). Richard D Irwin,Inc.

Παραπομπή Chicago Style

Gould,John P, και Lazear,Edward P. Microeconomic Theory. 6. New Delhi: Richard D Irwin,Inc, 1989.

Παραπομπή MLA

Gould,John P, και Lazear,Edward P. Microeconomic Theory. 6. Richard D Irwin,Inc, 1989.