Lua APA (7ú heag.)
Schultz, M., Doerr, J. E., & Rackham, N. (2014). Insight selling: Surprising research on what sales winners do differently. Wiley.
Lua i Stíl Chicago (17ú heag.)
Schultz, Mike, John E. Doerr, agus Neil Rackham. Insight Selling: Surprising Research on What Sales Winners Do Differently. Hoboken, New Jersey: Wiley, 2014.
Lua MLA (9ú heag.)
Schultz, Mike, et al. Insight Selling: Surprising Research on What Sales Winners Do Differently. Wiley, 2014.
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