Gaya APA
e. shigley, joseph (dkk). (1990).
Gearing .
USA:
McGraw-Hill Book Company.
Gaya Chicago
e. shigley, joseph (dkk).
Gearing.
USA:
McGraw-Hill Book Company,
1990.
Text.
Gaya MLA
e. shigley, joseph (dkk).
Gearing.
USA:
McGraw-Hill Book Company,
1990.
Text.
Gaya Turabian
e. shigley, joseph (dkk).
Gearing.
USA:
McGraw-Hill Book Company,
1990.
Print.