Cita APA

Friend, J. A. (1971). Writing english as a second language. EE.UU.: Scott, Foresman and Company.

Citación estilo Chicago

Friend, Jewell A. Writing English As a Second Language. EE.UU.: Scott, Foresman and Company, 1971.

Cita MLA

Friend, Jewell A. Writing English As a Second Language. EE.UU.: Scott, Foresman and Company, 1971.

Precaución: Estas citas no son 100% exactas.