Stllings, W. Pedoman umum pengembangan penilaian. Salemba Teknika.
Chicago Style CitationStllings, William. Pedoman Umum Pengembangan Penilaian. Salemba Teknika.
MLA CitationStllings, William. Pedoman Umum Pengembangan Penilaian. Salemba Teknika.
Warning: These citations may not always be 100% accurate.