Untiedt. First Timers and Old Timers. University of North Texas Press.
Citazione stile Chigago Style (17a edizione)Untiedt. First Timers and Old Timers. University of North Texas Press.
Citatione MLA (9a ed.)Untiedt. First Timers and Old Timers. University of North Texas Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.