Cita APA (7th ed.)

Stronge, J. H., Richard, H. B., & Catano, N. (2008). Qualities of effective principals. Association for Supervision and Curriculum Development.

Cita Chicago (17th ed.)

Stronge, James H., Holly B. Richard, i Nancy Catano. Qualities of Effective Principals. Alexandria, VA: Association for Supervision and Curriculum Development, 2008.

Cita MLA (9th ed.)

Stronge, James H., et al. Qualities of Effective Principals. Association for Supervision and Curriculum Development, 2008.