Citazione Stile APA (7a Edizione)

Gregory, P. R., & Stuart, R. C. (1980). Comparative economic systems. Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

Gregory, Paul R., e Robert C. Stuart. Comparative Economic Systems. Boston: Houghton Mifflin, 1980.

Citatione MLA (8a ed.)

Gregory, Paul R., e Robert C. Stuart. Comparative Economic Systems. Houghton Mifflin, 1980.