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Чикаго-гийн эшлэл (17 дахь хэвлэлт)Council of Scientific and Industrial Research. Patented Inventions of the C.S.I.R. New Delhi: Council of Scientific and Industrial Research, 1951.
MLA -ийн эшлэл (9 дэх хэвлэлт)Council of Scientific and Industrial Research. Patented Inventions of the C.S.I.R. Council of Scientific and Industrial Research, 1951.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.