Dyfyniad APA

Nybakken,James W. (1997). Marine biology: : an ecological approach (6th ed.). Benjamin cummings.

Dyfyniad Arddull Chicago

Nybakken,James W. Marine Biology: : An Ecological Approach. 6th ed. California: Benjamin cummings, 1997.

Dyfyniad MLA

Nybakken,James W. Marine Biology: : An Ecological Approach. 6th ed. Benjamin cummings, 1997.

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