Hearn, W. R., Conrad, E. W., & Andersen, F. I. (1987). Programm. Perspectives on language and text, 299.
Cita Chicago Style (17a ed.)Hearn, Walter Risley, Edgar W. Conrad, y Francis I. Andersen. "Programm." Perspectives on Language and Text 1987: 299.
Cita MLA (8a ed.)Hearn, Walter Risley, et al. "Programm." Perspectives on Language and Text, 1987, p. 299.
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