Penggayaan APA
R.Walker. (1970).
Modern Metal Working .
USA:
The Goodheart.
Chicago Style
R.Walker.
Modern Metal Working.
USA:
The Goodheart,
1970.
Text.
MLA Style
R.Walker.
Modern Metal Working.
USA:
The Goodheart,
1970.
Text.
Turabian Style
R.Walker.
Modern Metal Working.
USA:
The Goodheart,
1970.
Print.