[9]Archived 2015-03-11 at the Wayback Machinehttp://www.lsa.umich.edu/eli/aboutus/history Retrieved 10 December 2014.
Spolsky, B. (1990) The prehistory of TOEFL, Language Testing, vol 7, 1: pp.98-118.
Lado, R. (1961). Language testing: The construction and use of foreign language tests. New York, NY: McGraw-Hill.
[9]Archived 2015-03-11 at the Wayback Machinehttp://www.lsa.umich.edu/eli/aboutus/history Retrieved 10 December 2014.
Spolsky, B. (1990) The prehistory of TOEFL, Language Testing, vol 7, 1: pp.98-118.
Lado, R. (1961). Language testing: The construction and use of foreign language tests. New York, NY: McGraw-Hill.