Gaya APA
Perkembangan Upah pekerja Perkebunan= Wages Trend of estate Workers. (1994).
Jakarta:
BPS.
Gaya Chicago
Perkembangan Upah pekerja Perkebunan= Wages Trend of estate Workers.
.
Jakarta:
BPS,
1994.
.
Gaya MLA
Perkembangan Upah pekerja Perkebunan= Wages Trend of estate Workers.
.
Jakarta:
BPS,
1994.
.
Gaya Turabian
Perkembangan Upah pekerja Perkebunan= Wages Trend of estate Workers.
Jakarta:
BPS,
1994.
.