Muhammad al-xorazmiy nomidagi toshkent axborot texnologiyalari universiteti m. A. Raxmatullayev, B. I. Ganiyeva

69. Oxford Scholarship Online http://www.oxfordscholarship.com//oso/public/index.html

70. The Premium Collection: Oxford Reference Online http://www.oxfordreference.com/pages/Subjects_and_Titles__2F

71. http://www.springerlink.com/

72. Ovid www.ovid.com

73. Oxford Online Reference http://www.oxfordreference.com

74. Oxford Scholarship Online

http://www.oxfordscholarship.com//oso/public/index.html

75. Oxford University Press Oxford Journals http://oxfordjournals.org/

76. Project MUSE http://muse.jhu.edu/

77. JSTOR http://www.jstor.org

78. EMERALD www.emeraldinsight.com