Cita APA (7a ed.)

Day, G. S. (1980). Strategic market analysis: Top-down and bottom-up approaches. Marketing Science Institute.

Cita Chicago Style (17a ed.)

Day, George S. Strategic Market Analysis: Top-down and Bottom-up Approaches. Cambridge, Massachusetts: Marketing Science Institute, 1980.

Cita MLA (9a ed.)

Day, George S. Strategic Market Analysis: Top-down and Bottom-up Approaches. Marketing Science Institute, 1980.