APA-referens

Leo Jones. (1997). New progress to first certificate student's book. Cambridge Univ. Press.

Chicago-stil citat

Leo Jones. New Progress to First Certificate Student's Book. Cambridge Univ. Press, 1997.

MLA-referens

Leo Jones. New Progress to First Certificate Student's Book. Cambridge Univ. Press, 1997.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.