APA (7. basım) Alıntı

(1969). Steps to spoken english: A graded course for spanish-speaking students. Longman.

Chicago Style (17. basım) Atıf

Steps to Spoken English: A Graded Course for Spanish-speaking Students. London: Longman, 1969.

MLA (9th ed.) Atıf

Steps to Spoken English: A Graded Course for Spanish-speaking Students. Longman, 1969.