Penggayaan APA
SPOTTS, M.F. (1978).
Design of machine elements .
New Jersey:
Prentice-Halls.
Chicago Style
SPOTTS, M.F.
Design of machine elements.
New Jersey:
Prentice-Halls,
1978.
Buku.
MLA Style
SPOTTS, M.F.
Design of machine elements.
New Jersey:
Prentice-Halls,
1978.
Buku.
Turabian Style
SPOTTS, M.F.
Design of machine elements.
New Jersey:
Prentice-Halls,
1978.
Buku.