Gaya APA
Vlack, L, H, V. (1989).
elements of materials science and engineering sixth edition (^a1 ^bJilid 1).
New York:
Addison wesley publishing company.
Gaya MLA
Vlack, Lawrence, H., Van.
"elements of materials science and engineering sixth edition".
^a1 ^bJilid 1
New York:
Addison wesley publishing company,
1989.
Text.