Asphaug, V., & Sorensen, E. (2010). Global positioning systems. Nova Science Publishers.
Chicago Style (17th ed.) CitationAsphaug, Viggo, and Elias Sorensen. Global Positioning Systems. New York: Nova Science Publishers, 2010.
MLA引文Asphaug, Viggo, and Elias Sorensen. Global Positioning Systems. Nova Science Publishers, 2010.
警告:這些引文格式不一定是100%准確.