Gaya APA
Bedford, J, R. (1971).
Metalcraft Theory And Practice (Ed. 2 (New International Metric Standards ED.)).
London:
John Murray (Publishers).
Gaya MLA
Bedford, John, R..
"Metalcraft Theory And Practice".
Ed. 2 (New International Metric Standards ED.)
London:
John Murray (Publishers),
1971.
Text.