APA-referens (7:e uppl.)
Escobar Ibarra, G., Leonor Umanzor, J., LLanes Márquez López, J. H., & Ayala, E. N. The impact of age,gender and anxiety on the english learner class participation: Case of seventh graders in the school District 0602 (morning shift) in The City of San Salvador during the academic year 2014.
Chicago-referens (17:e uppl.)
Escobar Ibarra, Guillermo, Jenifer Leonor Umanzor, Jorge Homero LLanes Márquez López, och Edgar Nicolás Ayala. The Impact of Age,gender and Anxiety on the English Learner Class Participation: Case of Seventh Graders in the School District 0602 (morning Shift) in The City of San Salvador During the Academic Year 2014.
MLA-referens (9:e uppl.)
Escobar Ibarra, Guillermo, et al. The Impact of Age,gender and Anxiety on the English Learner Class Participation: Case of Seventh Graders in the School District 0602 (morning Shift) in The City of San Salvador During the Academic Year 2014.
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