Geoid | Institut Teknologi Sepuluh Nopember. Cambridge University Press.
Chicago Style (17th ed.) CitationGeoid | Institut Teknologi Sepuluh Nopember. Cambridge University Press.
MLA (9th ed.) CitationGeoid | Institut Teknologi Sepuluh Nopember. Cambridge University Press.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.