ืจืืฉืื ืืงืืจืืช ืืคื ืืืื APA
ืจืืฉืื ืืงืืจืืช ืืคื ืืืื APA (2010)* * American Psychological Association. (2010). Publication manual of the American Psychological Association (6th ed.). Washington, DC: Author. ืืขืจืืืช ื"ืจ ืืจืืจืื ืืจืืืืื ืื"ืจ ืจืื ืืฉืื…