Helgesen, M., & Brown, S. (1994). Active listening: Building skills for understanding : student's book 2. Cambridge: Cambridge University Press.
استشهاد بنمط شيكاغوHelgesen, Marc, و Steven Brown. Active Listening: Building Skills for Understanding : Student's Book 2. Cambridge: Cambridge University Press, 1994.
MLA استشهادHelgesen, Marc, و Steven Brown. Active Listening: Building Skills for Understanding : Student's Book 2. Cambridge: Cambridge University Press, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.