Cita APA

Lake Erie Environmental. (1974). World directory of environmental research centers. [S.l.]: Bowker.

Citación estilo Chicago

Lake Erie Environmental. World Directory of Environmental Research Centers. [S.l.]: Bowker, 1974.

Cita MLA

Lake Erie Environmental. World Directory of Environmental Research Centers. [S.l.]: Bowker, 1974.

Precaución: Estas citas no son 100% exactas.