Bird, E. C. F. (1974). Coastal changes in Denmark during the past two centuries: A paper prepared for the I. G. U. Working Group on the Dynamics of Shoreline Erosion. Laboratoriet for fysisk geografi, Geologisk institut, Aarhus universitet.
Citace podle Chicago (17th ed.)Bird, E. C. F. Coastal Changes in Denmark During the Past Two Centuries: A Paper Prepared for the I. G. U. Working Group on the Dynamics of Shoreline Erosion. [Aarhus]: Laboratoriet for fysisk geografi, Geologisk institut, Aarhus universitet, 1974.
Citace podle MLA (8th ed.)Bird, E. C. F. Coastal Changes in Denmark During the Past Two Centuries: A Paper Prepared for the I. G. U. Working Group on the Dynamics of Shoreline Erosion. Laboratoriet for fysisk geografi, Geologisk institut, Aarhus universitet, 1974.