Gaya APA
JACKSON, A. (1969).
OXYGEN STEELMAKING FOR STEELMAKERS (Second American Edition).
AMERICAN:
ADLARD & SON LIMITED.
Gaya MLA
JACKSON, A..
"OXYGEN STEELMAKING FOR STEELMAKERS".
Second American Edition
AMERICAN:
ADLARD & SON LIMITED,
1969.
Textbook.