Espinosa, J. C. (1978). Manual de educación cooperativa (1a. ed.). Intercoop.
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Tohutoru Kātū Chicago (17th ed.)
Espinosa, José C. Manual De Educación Cooperativa. 1a. ed. Buenos Aires: Intercoop, 1978.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Espinosa, José C. Manual De Educación Cooperativa. 1a. ed. Intercoop, 1978.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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