Chú thích Ground Crew Project

  1. 1 2 3 Lamy, Philip (2000) p560
  2. ↑ Gruenschloss, Andreas (2003) p21
  3. ↑ Tumminia, Diana (2007) p311
  4. ↑ Palmer, Susan (2003) p343-4
  5. 1 2 3 4 5 6 7 Helland, Christopher (2000) p140
  6. ↑ Wojcik, Daniel (2003) p293-4
  7. ↑ Gruenschloss, Andreas (2003) p22-25
  8. 1 2 Gruenschloss, Andreas (2003) p25
  9. 1 2 3 Helland, Christopher (2000) p142
  10. ↑ Palmer, Susan (2003) p338
  11. 1 2 Palmer, Susan (2003) p333
  12. ↑ Wojcik, Daniel (2003) p293
  13. ↑ Palmer, Susan (2003) pp339-341
  14. ↑ Helland, Christopher (2000) pp142-3