A.W.Leftwich, . (1965). A Dictionary of Entomology. new delhi: C.B.S Publishers & Distributers.
A.W.Leftwich, . 1965. A Dictionary of Entomology. new delhi: C.B.S Publishers & Distributers.
A.W.Leftwich, . A Dictionary of Entomology. new delhi: C.B.S Publishers & Distributers. 1965.
