Hanna, P. R., & Krug, E. A. (1953). Marketing the things we use. Scott, Foresman.
Dyfyniad Arddull ChicagoHanna, Paul Robert, and Edward A. Krug. Marketing the Things We Use. Chicago: Scott, Foresman, 1953.
Dyfyniad MLAHanna, Paul Robert, and Edward A. Krug. Marketing the Things We Use. Scott, Foresman, 1953.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.