Gaya APA
Kay, D, M. (1954).
Accident Preventation in Nonferrous-Mental Processing Plants (In Three Section) .
:
United States Government Printing Office.
Gaya MLA
Kay, Douglas, Mc..
"Accident Preventation in Nonferrous-Mental Processing Plants (In Three Section)".
:
United States Government Printing Office,
1954.
Text.