Cita APA (7a ed.)

Butler, K. A. (1996). Viewpoints. Hawker Brownlow Education.

Cita Chicago Style (17a ed.)

Butler, Kathleen A. Viewpoints. Cheltenham, Vic.: Hawker Brownlow Education, 1996.

Cita MLA (8a ed.)

Butler, Kathleen A. Viewpoints. Hawker Brownlow Education, 1996.