Gaya APA
Rata- Rata upah Pekerja Perkebunan = Average Wage of Estate Workers. (1994).
Jakarta:
BPS.
Gaya Chicago
Rata- Rata upah Pekerja Perkebunan = Average Wage of Estate Workers.
.
Jakarta:
BPS,
1994.
.
Gaya MLA
Rata- Rata upah Pekerja Perkebunan = Average Wage of Estate Workers.
.
Jakarta:
BPS,
1994.
.
Gaya Turabian
Rata- Rata upah Pekerja Perkebunan = Average Wage of Estate Workers.
Jakarta:
BPS,
1994.
.