Principles of Salesmanship

1924. A textbook for colleges and schools. The aim of this book is to make the study of salesmanship as practical, interesting, and definite as possible. To that end, definite means are suggested for the attainment of definite ends. The theory of the subject is advanced with careful consideration of its practical application. Это и многое другое вы найдете в книге Principles of Salesmanship