Cita APA (7a ed.)

Rackham, N. (2017). SPIN selling (1st edition.). McGraw-Hill Education.

Cita Chicago Style (17a ed.)

Rackham, Neil. SPIN Selling. 1st edition. New York: McGraw-Hill Education, 2017.

Cita MLA (9a ed.)

Rackham, Neil. SPIN Selling. 1st edition. McGraw-Hill Education, 2017.