Gaya APA

Spriegel, W, R., Lansburgh, R, H. (1958). Industrial management. (1958). : New York : John Wiley & Sons, Inc.,.

Gaya MLA

Spriegel, William, R.., Lansburgh, Richard, H.. "Industrial management.". 1958 : New York : John Wiley & Sons, Inc.,, 1958. Text.