Cita APA (7a ed.)

Heydt, A. c. d. (1997). Efficient consumer response: Basisstrategien und. [s.n].

Cita Chicago Style (17a ed.)

Heydt, Andreas con der. Efficient Consumer Response: Basisstrategien Und. Frankfurt an Marn, New York: [s.n], 1997.

Cita MLA (9a ed.)

Heydt, Andreas con der. Efficient Consumer Response: Basisstrategien Und. [s.n], 1997.