Dyfyniad APA

Boggess, W. R. (1979). Lead in the environment. Castle House Publications.

Dyfyniad Arddull Chicago

Boggess, William R. Lead in the Environment. [s.l.]: Castle House Publications, 1979.

Dyfyniad MLA

Boggess, William R. Lead in the Environment. Castle House Publications, 1979.

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