APA način citiranja (7. izdanje)
Sharma, M. B., & Elbow, G. S. (2000). Using internet primary sources to teach critical thinking skills in geography. Greenwood Press.
Čikaški stil citiranja (17. izdanje)
Sharma, Martha B., i Gary S. Elbow. Using Internet Primary Sources to Teach Critical Thinking Skills in Geography. Westport, Conn.: Greenwood Press, 2000.
MLA način citiranja (9. izdanje)
Sharma, Martha B., i Gary S. Elbow. Using Internet Primary Sources to Teach Critical Thinking Skills in Geography. Greenwood Press, 2000.
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