Cita APA

BEC Preliminary: Teacher's resource pack (Revised ed.). Summertown: Summertown Publishing.

Citación estilo Chicago

BEC Preliminary: Teacher's Resource Pack. Revised ed. Summertown: Summertown Publishing.

Cita MLA

BEC Preliminary: Teacher's Resource Pack. Revised ed. Summertown: Summertown Publishing.

Precaución: Estas citas no son 100% exactas.