TY  - GEN
AU  - Gahala, Estella Marie
AU  - Holt McDougal
TI  - Avancemos! 1 : uno : sing along / Estella Gahala [and others]
SN  - 9780618752317 (pbk.)
CY  - Orlando, Fla. : Houghton Mifflin Harcourt, c2013.
N1  - Part of set of 10 volumes
ER  -