Dyfyniad APA

Saxena,M M. (1990). Environmental Analysis Water,Soil and Air. ABP.

Dyfyniad Arddull Chicago

Saxena,M M. Environmental Analysis Water,Soil and Air. Bikanner: ABP, 1990.

Dyfyniad MLA

Saxena,M M. Environmental Analysis Water,Soil and Air. ABP, 1990.

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