Cita APA (7th ed.)

Brink, W. G. (1930). Direction and coordination of supervision: Current practices of city superintendents. Public school publishing co.

Cita Chicago (17th ed.)

Brink, William Gerard. Direction and Coordination of Supervision: Current Practices of City Superintendents. Bloomington, Ill: Public school publishing co, 1930.

Cita MLA (9th ed.)

Brink, William Gerard. Direction and Coordination of Supervision: Current Practices of City Superintendents. Public school publishing co, 1930.