Citazione Stile APA (7a Edizione)

Pickersgill, G. M., & Pickersgill, J. E. (1974). Contemporary economic systems. A comparative view. Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Pickersgill, Gary M., e Joyce E. Pickersgill. Contemporary Economic Systems. A Comparative View. Upper Saddle River: Prentice Hall, 1974.

Citatione MLA (9a ed.)

Pickersgill, Gary M., e Joyce E. Pickersgill. Contemporary Economic Systems. A Comparative View. Prentice Hall, 1974.