Παραπομπή APA

(1976). The American ephemeris and nautical almanac for the year 1978. Washington: U.S. Government Printing Office.

Παραπομπή Chicago Style

The American Ephemeris and Nautical Almanac for the Year 1978. Washington: U.S. Government Printing Office, 1976.

Παραπομπή MLA

The American Ephemeris and Nautical Almanac for the Year 1978. Washington: U.S. Government Printing Office, 1976.

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