Citazione Stile APA (7a Edizione)

Geddes, M., & Sturtridge, G. (1979). Listening links: Student's book. Heinemann Educational Books.

Citazione stile Chigago Style (17a edizione)

Geddes, Marion, e Gill Sturtridge. Listening Links: Student's Book. Londres: Heinemann Educational Books, 1979.

Citatione MLA (9a ed.)

Geddes, Marion, e Gill Sturtridge. Listening Links: Student's Book. Heinemann Educational Books, 1979.