Marc Helgesen. (1996). Active listening expanding - students'book 3: Expanding understanding through content. Cambridge, UK: Cambridge university press.
استشهاد بنمط شيكاغوMarc Helgesen. Active Listening Expanding - Students'book 3: Expanding Understanding Through Content. Cambridge, UK: Cambridge university press, 1996.
MLA استشهادMarc Helgesen. Active Listening Expanding - Students'book 3: Expanding Understanding Through Content. Cambridge, UK: Cambridge university press, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.