Gaya APA
College Law. (1951).
Amerika Serikat:
South - western publishing company.
Gaya Chicago
College Law.
keempat.
Amerika Serikat:
South - western publishing company,
1951.
.
Gaya MLA
College Law.
keempat.
Amerika Serikat:
South - western publishing company,
1951.
.
Gaya Turabian
College Law.
Amerika Serikat:
South - western publishing company,
1951.
.