Cita APA (7th ed.)

Gale Research Company & Irvin, L. (1993). Encyclopedia of associations (27th ed.). Gale Research.

Cita Chicago (17th ed.)

Gale Research Company i Linda Irvin. Encyclopedia of Associations. 27th ed. Detroit, Mich: Gale Research, 1993.

Cita MLA (9th ed.)

Gale Research Company i Linda Irvin. Encyclopedia of Associations. 27th ed. Gale Research, 1993.