Cita APA (7a ed.)
Bolton, N., Lajous, A., & Casalla, M. C. (1977). Concept formation.
Cita estilo Chicago (17a ed.)
Bolton, Neil, Alejandra Lajous, y Mario Carlos Casalla. Concept Formation. 1977.
Cita MLA (9a ed.)
Bolton, Neil, et al. Concept Formation. 1977.
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