Pickett, V. (1951). Nonphonemic Stress: A Problem in Stress Placement in Isthmus Zapotec. [s.n.].
Cita Chicago Style (17a ed.)Pickett, Velma. Nonphonemic Stress: A Problem in Stress Placement in Isthmus Zapotec. [S.l.]: [s.n.], 1951.
Cita MLA (9a ed.)Pickett, Velma. Nonphonemic Stress: A Problem in Stress Placement in Isthmus Zapotec. [s.n.], 1951.
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