Rujukan Aras pengukuran

  1. 1 2 Kirch, Wilhelm, penyunting (2008). "Level of Measurement". Encyclopedia of Public Health. Springer. halaman 851–852. doi:10.1007/978-1-4020-5614-7_1971. ISBN 978-1-4020-5613-0. Missing or empty |title= (bantuan)
  2. ↑ Stevens, S. S. (7 June 1946). "On the Theory of Scales of Measurement". Science. 103 (2684): 677–680. Bibcode:1946Sci...103..677S. doi:10.1126/science.103.2684.677. PMID 17750512. Parameter |s2cid= yang tidak diketahui diendahkan (bantuan)
  3. ↑ Michell, J. (1986). "Measurement scales and statistics: a clash of paradigms". Psychological Bulletin. 100 (3): 398–407. doi:10.1037/0033-2909.100.3.398.
  4. ↑ Mosteller, Frederick (1977). Data analysis and regression : a second course in statistics. Reading, Mass: Addison-Wesley Pub. Co. ISBN 978-0201048544.
  5. ↑ Chrisman, Nicholas R. (1998). "Rethinking Levels of Measurement for Cartography". Cartography and Geographic Information Science. 25 (4): 231–242. doi:10.1559/152304098782383043. ISSN 1523-0406.Templat:Subscription needed