Gaya APA

ECHEVARRIA, M, E, V, J. (2008). 99 IDEAS AND ACTIVITIES FOR TEACHING ENGLISH LEARNERS WITH THE SIOP MODEL . america: PEARSON EDUCATION.

Gaya MLA

ECHEVARRIA, MARY, ELLEN, VOGT, JANA. "99 IDEAS AND ACTIVITIES FOR TEACHING ENGLISH LEARNERS WITH THE SIOP MODEL". america: PEARSON EDUCATION, 2008. Text.