Ruppel, W. (2011). Wiley GAAP for governments 2011: Interpretation and application of generally accepted accounting principles for state and local governments. Wiley.

Ruppel, Warren. Wiley GAAP for Governments 2011: Interpretation and Application of Generally Accepted Accounting Principles for State and Local Governments. Hoboken, N.J.: Wiley, 2011.

Ruppel, Warren. Wiley GAAP for Governments 2011: Interpretation and Application of Generally Accepted Accounting Principles for State and Local Governments. Wiley, 2011.