The 36 biggest mistakes salesmen make and how to correct them

Xehetasun bibliografikoak
Egile nagusia:	Kahn, George N.
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Englewood Cliffs, N. J. Prentice-Hall c1963
Gaiak:	Salesmen and salesmanship.