Gaya APA

Rata-rata upah pekerja perkebunan 1991-1993 = Average wage of estate workers 1991-1993. ([s.n.]). : Jakarta.

Gaya MLA

Rata-rata upah pekerja perkebunan 1991-1993 = Average wage of estate workers 1991-1993. . : Jakarta, [s.n.]. Buku.