TY  - BOOK
AU  - Plantel, Equipo
AU  - Negrescolor, Joan,
TI  - Mga uring panlipunan
T2  - Koleksiyon ng Libros para Mañana, Aklat 1
SN  - 9789715086264
AV  - 305.5 P69u 2017 
PY  - 2017///
CY  - Quezon City
PB  - Adarna House, Inc.
KW  - Professions
KW  - Social classes
KW  - Social conflict
N1  - First published in Spanish in Spain in 2015
ER  -