Geddes, M., & Sturtridge, G. (1979). Listening links: Student's book. Heinemann Educational Books.
Chicagoスタイル(17版)引用形式Geddes, Marion, , Gill Sturtridge. Listening Links: Student's Book. Londres: Heinemann Educational Books, 1979.
MLA(9版)引用形式Geddes, Marion, , Gill Sturtridge. Listening Links: Student's Book. Heinemann Educational Books, 1979.
警告: この引用は必ずしも正確ではありません.