Lane, R. E. (1957). Problems in American government: An introduction to political analysis (2d ed.). Prentice-Hall.
Cita Chicago (17th ed.)Lane, Robert Edwards. Problems in American Government: An Introduction to Political Analysis. 2d ed. Englewood Cliffs, N. J: Prentice-Hall, 1957.
Cita MLA (9th ed.)Lane, Robert Edwards. Problems in American Government: An Introduction to Political Analysis. 2d ed. Prentice-Hall, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.