Cita APA

(1968). Steps to spoken english; a graded course for spanish-speaking students. teacher's book two. Longmans.

Citación estilo Chicago

Steps to Spoken English; a Graded Course for Spanish-speaking Students. Teacher's Book Two. Bristol: Longmans, 1968.

Cita MLA

Steps to Spoken English; a Graded Course for Spanish-speaking Students. Teacher's Book Two. Bristol: Longmans, 1968.

Precaución: Estas citas no son 100% exactas.