Bobrow, E. E., & Bobrow, M. D. (1985). Marketing handbook: Marketing pracitces. Dow jones-Irwin.
Dyfyniad Arddull ChicagoBobrow, Edwin E., and Mark David Bobrow. Marketing Handbook: Marketing Pracitces. Illinois: Dow jones-Irwin, 1985.
Dyfyniad MLABobrow, Edwin E., and Mark David Bobrow. Marketing Handbook: Marketing Pracitces. Dow jones-Irwin, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.