APA (7th ed.) Citation

Medan, P. P. (1991). LAPORAN TAHUNAN 1990. Rispa.

Chicago Style (17th ed.) Citation

Medan, Pusat Penelitian. LAPORAN TAHUNAN 1990. Rispa, 1991.

MLA (8th ed.) Citation

Medan, Pusat Penelitian. LAPORAN TAHUNAN 1990. Rispa, 1991.

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