Cita APA (7th ed.)

Holzer, M., & Callahan, K. (1998). Government at work: Best practices and model programs. Sage.

Cita Chicago (17th ed.)

Holzer, Marc, i Kathe Callahan. Government at Work: Best Practices and Model Programs. Thousand Oaks: Sage, 1998.

Cita MLA (9th ed.)

Holzer, Marc, i Kathe Callahan. Government at Work: Best Practices and Model Programs. Sage, 1998.