Romero Ramírez, I. A. (2018). THE FALL OF THE REFERENTS IN THE CONTEMPORARY WORLD: ANALYSIS OF THE UNARY CONCEPT IN DANY ROBERT-DUFOUR. Universidad Autónoma de Tamaulipas.
Chicago-viite (17. p.)Romero Ramírez, Israel Alejandro. THE FALL OF THE REFERENTS IN THE CONTEMPORARY WORLD: ANALYSIS OF THE UNARY CONCEPT IN DANY ROBERT-DUFOUR. Universidad Autónoma de Tamaulipas, 2018.
MLA-viite (8. p.)Romero Ramírez, Israel Alejandro. THE FALL OF THE REFERENTS IN THE CONTEMPORARY WORLD: ANALYSIS OF THE UNARY CONCEPT IN DANY ROBERT-DUFOUR. Universidad Autónoma de Tamaulipas, 2018.
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