Trytten, M. H. (1952). Student deferment in selective service, a vital factor in national security. University of Minnesota Press.
Cita Chicago (17th ed.)Trytten, Merriam Hartwick. Student Deferment in Selective Service, a Vital Factor in National Security. Minneapolis: University of Minnesota Press, 1952.
Cita MLA (9th ed.)Trytten, Merriam Hartwick. Student Deferment in Selective Service, a Vital Factor in National Security. University of Minnesota Press, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.