Gaya APA
Spotts, M.
(1953).
Design of machine elements
(
2nd ed.)
.
Englewood Cliffs, New Jersey:
Prentice-Hall.
Gaya MLA
Spotts, M.F..
"Design of machine elements".
2nd ed.
Englewood Cliffs, New Jersey:
Prentice-Hall,
1953.
Text.