Gaya APA
Sourcebook on Labor. (1958).
:
MCGraw Hill Book Company.
Gaya Chicago
Sourcebook on Labor.
.
:
MCGraw Hill Book Company,
1958.
.
Gaya MLA
Sourcebook on Labor.
.
:
MCGraw Hill Book Company,
1958.
.
Gaya Turabian
Sourcebook on Labor.
:
MCGraw Hill Book Company,
1958.
.