APA ציטוט

Kamas, G., & Lombardi, M. A. (1990). Time and frequency users manual (Rev. 1990.). U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

Kamas, George, and Michael A. Lombardi. Time and Frequency Users Manual. Rev. 1990. Gaithersburg, MD : Washington, D.C.: U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1990.

ציטוט MLA

Kamas, George, and Michael A. Lombardi. Time and Frequency Users Manual. Rev. 1990. U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1990.