Gaya APA
Cochran, William G.. (1957).
Experimental designs .
:
John Wiley And Sons.
Gaya Chicago
Cochran, William G..
Experimental designs.
:
John Wiley And Sons,
1957.
Text.
Gaya MLA
Cochran, William G..
Experimental designs.
:
John Wiley And Sons,
1957.
Text.
Gaya Turabian
Cochran, William G..
Experimental designs.
:
John Wiley And Sons,
1957.
Print.