Purchasing
[microform] :
its economic aspects and proper methods /
by H.B. Twyford.

APA Citation

Twyford, H. B. (1915). Purchasing: its economic aspects and proper methods. New York: Van Nostrand.

MLA Citation

Twyford, H. B. Purchasing: Its Economic Aspects And Proper Methods. New York: Van Nostrand, 1915.

Warning: These citations may not always be complete (especially for serials).