Gaya APA
Spriegel, William R.. (1955).
Industrial management (text).
New York:
John Wiley & Sons.
Gaya Chicago
Spriegel, William R..
Industrial management.
text
New York:
John Wiley & Sons,
1955.
.
Gaya MLA
Spriegel, William R..
Industrial management.
text
New York:
John Wiley & Sons,
1955.
.
Gaya Turabian
Spriegel, William R..
Industrial management.
text
New York:
John Wiley & Sons,
1955.
.