apa

• administrative procedure act
  airline passenger association
  allied pilots association
  ambulatory pediatric association
  american philological association
  american philosophical association
  american press association
  american psychiatric association
  american psychological association
  antarctic protected area
  asociación peruana de astronomia
  audio publishers association
  austria presse agentur
  gibi sözcük öbeklerinin kısaltması olabilecek harfler.