Cita APA (7th ed.)

Grady, J. F., & Hall. Milton. (1939). Writing effective government letters. Employee Training Publications.

Cita Chicago (17th ed.)

Grady, James F., i Hall. Milton. Writing Effective Government Letters. Washington, D.C: Employee Training Publications, 1939.

Cita MLA (9th ed.)

Grady, James F., i Hall. Milton. Writing Effective Government Letters. Employee Training Publications, 1939.