Gaya APA
Stallcup, J, G. (1989).
Journeyman electricians workbook:exam pre[aration-upgrading .
USA:
Balai penerbit&Humas ISTN.
Gaya MLA
Stallcup, James, G..
"Journeyman electricians workbook:exam pre[aration-upgrading".
USA:
Balai penerbit&Humas ISTN,
1989.
Text.