Gaya APA
ENERGY, D, O, M, &. (1979).
Third five years development plan 1979/1980 - 1983/1984; Mining and energy .
:
.
Gaya MLA
ENERGY, DEPARTMENT, OF, MINES, &.
"Third five years development plan 1979/1980 - 1983/1984; Mining and energy".
:
,
1979.
Buku.