Παραπομπή APA

Phelps, D. M., & Wsting, J. H. (1968). Marketing management. Richard D Irvin.

Παραπομπή Chicago Style

Phelps, D. Maynard, και J. Howard Wsting. Marketing Management. London: Richard D Irvin, 1968.

Παραπομπή MLA

Phelps, D. Maynard, και J. Howard Wsting. Marketing Management. Richard D Irvin, 1968.