वासिंटन , डिचि आव डा आमेरिकान साइखनजिकेल एससियेसन ( APA ) आ इउनायतेड स्तेद्सनि गोसो गोनोखोखौ दैदेननाय देरसिन गोनोखोआरि आरो रोंगौथिगोनां फसंथान आरो गगोसो गोनोखोआरिफोरनि बेनो बुहुमनि देरसिन फसंथान ।
The American Psychological Association APA in Washington DC is the largest scientific and professional organization representing psychology in the United States and is the world's largest association of psychologists .