Cita APA (7th ed.)

Ryan, D. L. (1986). Modern graphic communications: A CAO approach. Prentice-Hall.

Cita Chicago (17th ed.)

Ryan, Daniel L. Modern Graphic Communications: A CAO Approach. Englewood Cliffs, N.J: Prentice-Hall, 1986.

Cita MLA (9th ed.)

Ryan, Daniel L. Modern Graphic Communications: A CAO Approach. Prentice-Hall, 1986.