Kumbal,, D. S. (1992). Encyclopaedia of popular science: Vol.4. Akash Deep.
Chicago Edition CitationKumbal,, Dexter S. Encyclopaedia of Popular Science: Vol.4. Delhi: Akash Deep, 1992.
MLA Edition CitationKumbal,, Dexter S. Encyclopaedia of Popular Science: Vol.4. Akash Deep, 1992.
Warning: These citations may not always be 100% accurate.