Import purchasing, principles and problems

MLA

Roorbach, George B. Import purchasing, principles and problems. Chicago ; New York : A.W. Shaw Company; London : A.W. Shaw and Company, Limited, 1927.

APA

Roorbach, G. (1927). Import purchasing, principles and problems. Chicago ; New York : A.W. Shaw Company; London : A.W. Shaw and Company, Limited.

Chicago

Roorbach, George B. Import purchasing, principles and problems. Chicago ; New York : A.W. Shaw Company; London : A.W. Shaw and Company, Limited, 1927.