Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.