APA Citation

Peringatan Hari Kesetiakawanan Sosial Nasional 20 Desember 1987. [s.l]: [s.n].

Chicago Style Citation

Peringatan Hari Kesetiakawanan Sosial Nasional 20 Desember 1987. [s.l]: [s.n].

MLA Citation

Peringatan Hari Kesetiakawanan Sosial Nasional 20 Desember 1987. [s.l]: [s.n].

Warning: These citations may not always be 100% accurate.