Gaya APA
Woldman, N, E., Gibbons, R, C. (1973).
ENGINEERING ALLOYS FIFTH EDITION (EDISI 5).
New York:
Van Nostrand Reinhold.
Gaya MLA
Woldman, Norman, E.., Gibbons, Robert, C..
"ENGINEERING ALLOYS FIFTH EDITION".
EDISI 5
New York:
Van Nostrand Reinhold,
1973.
Text.