British Council. (1970). Steps to spoken english: A graded course for spanish-speaking students (1a. ed.). Longman.
Chicago-Zitierstil (17. Ausg.)British Council. Steps to Spoken English: A Graded Course for Spanish-speaking Students. 1a. ed. Londres: Longman, 1970.
MLA-Zitierstil (9. Ausg.)British Council. Steps to Spoken English: A Graded Course for Spanish-speaking Students. 1a. ed. Longman, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.