Britannica Corporation. (1990). Geology [motion pictures]: Ocean dynamics : the work of the sea, the beach : a river of sand, waves on water. Encyclopedia Britannica Educational Corporation.
Chicago-viite (17. p.)Britannica Corporation. Geology [motion Pictures]: Ocean Dynamics : The Work of the Sea, the Beach : A River of Sand, Waves on Water. Chicago: Encyclopedia Britannica Educational Corporation, 1990.
MLA-viite (9. p.)Britannica Corporation. Geology [motion Pictures]: Ocean Dynamics : The Work of the Sea, the Beach : A River of Sand, Waves on Water. Encyclopedia Britannica Educational Corporation, 1990.
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