Cita APA (7th ed.)

Elliott, J. E., & Campbell, R. W. (1973). Comparative economic systems. Prentice-Hall.

Cita Chicago (17th ed.)

Elliott, John E., i Robert Wellington Campbell. Comparative Economic Systems. Englewood Cliffs, N.J: Prentice-Hall, 1973.

Cita MLA (9th ed.)

Elliott, John E., i Robert Wellington Campbell. Comparative Economic Systems. Prentice-Hall, 1973.