Não informado. (2022). Publications of the United States Naval Observatory. Government Printing Office.
Citação do estilo Chicago (17ª ed.)Não informado. Publications of the United States Naval Observatory. Washington: Government Printing Office, 2022.
Citação MLA (8ª ed.)Não informado. Publications of the United States Naval Observatory. Government Printing Office, 2022.
警告：这些引文格式不一定是100％准确.