Cita APA
Engel, J. F., Wales, H. G., & Warshaw, M. R. (1971). Promotional strategy (Rev. ed.). R. D. Irwin.
Citación estilo Chicago
Engel, James F., Hugh G. Wales, and Martin R. Warshaw. Promotional Strategy. Rev. ed. Homewood, Ill.: R. D. Irwin, 1971.
Cita MLA
Engel, James F., et al. Promotional Strategy. Rev. ed. R. D. Irwin, 1971.
Warning: These citations may not always be 100% accurate.