Gaya APA
Statistik bongkar muat barang di pelabulan Indonesia 1985 = Cargo loading and unloading at ports in . (1988).
Jakarta:
[s.n.].
Gaya MLA
Statistik bongkar muat barang di pelabulan Indonesia 1985 = Cargo loading and unloading at ports in .
.
Jakarta:
[s.n.],
1988.
Buku.