APA

Davies K., . (1985). Ionospheric radio propagation. Washington: US Government, Printing Office.

Chicago

Davies Kenneth, . 1985. Ionospheric radio propagation. Washington: US Government, Printing Office.

Harvard

Davies K., . (1985). Ionospheric radio propagation. Washington: US Government, Printing Office.

MLA

Davies Kenneth, . Ionospheric radio propagation. Washington: US Government, Printing Office. 1985.