Penggayaan APA
RIDLEY, John. (2006).
Safety with machinery .
New York:
BH.
Chicago Style
RIDLEY, John.
Safety with machinery.
New York:
BH,
2006.
Buku.
MLA Style
RIDLEY, John.
Safety with machinery.
New York:
BH,
2006.
Buku.
Turabian Style
RIDLEY, John.
Safety with machinery.
New York:
BH,
2006.
Buku.