Cita APA (7a ed.)

Nobbs, J. (1981). Social economics (3rd ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Nobbs, Jack. Social Economics. 3rd ed. London ; New York: McGraw-Hill, 1981.

Cita MLA (8a ed.)

Nobbs, Jack. Social Economics. 3rd ed. McGraw-Hill, 1981.