Bali, N. P., & Hari Kishan. (1988). Solid geometry. Laxmi Publications.
Chicago Edition CitationBali, N P., i Hari Kishan. Solid Geometry. NewDelhi: Laxmi Publications, 1988.
Cita MLABali, N P., i Hari Kishan. Solid Geometry. Laxmi Publications, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.