Παραπομπή σε μορφή APA (7η εκδ.)

Collins, B. L. (1982). The development and evaluation of effective symbol signs. U.S. Dept. of Commerce, National Bureau of Standards : For sale by the Supt. of Docs., U.S. G.P.O.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Collins, Belinda Lowenhaupt. The Development and Evaluation of Effective Symbol Signs. Washington, D.C.: U.S. Dept. of Commerce, National Bureau of Standards : For sale by the Supt. of Docs., U.S. G.P.O, 1982.

Παραπομπή σε μορφή MLA (8th εκδ.)

Collins, Belinda Lowenhaupt. The Development and Evaluation of Effective Symbol Signs. U.S. Dept. of Commerce, National Bureau of Standards : For sale by the Supt. of Docs., U.S. G.P.O, 1982.