Dyfyniad APA
O'Neill, P. (1998). Environmental Chemistry (3rd ed.). Blackie Academic & Professional.
Dyfyniad Arddull Chicago
O'Neill, Peter. Environmental Chemistry. 3rd ed. New York: Blackie Academic & Professional, 1998.
Dyfyniad MLA
O'Neill, Peter. Environmental Chemistry. 3rd ed. Blackie Academic & Professional, 1998.
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