Gaya APA
Spotts,M.F. (1991).
Design of machine elements sixth edition .
Usa:
Prentice Hall Inc. .
Gaya Chicago
Spotts,M.F.
Design of machine elements sixth edition.
Usa:
Prentice Hall Inc. ,
1991.
Text.
Gaya MLA
Spotts,M.F.
Design of machine elements sixth edition.
Usa:
Prentice Hall Inc. ,
1991.
Text.
Gaya Turabian
Spotts,M.F.
Design of machine elements sixth edition.
Usa:
Prentice Hall Inc. ,
1991.
Print.