Cita APA (7th ed.)

Kell, J. H., & Fullerton, I. J. (1982). Manual of traffic signal design. Prentice-Hall.

Cita Chicago (17th ed.)

Kell, James H., i Iris J. Fullerton. Manual of Traffic Signal Design. Englewood Cliffs: Prentice-Hall, 1982.

Cita MLA (9th ed.)

Kell, James H., i Iris J. Fullerton. Manual of Traffic Signal Design. Prentice-Hall, 1982.