Richards, J. C., & Sandy, C. (2000). Passages: An upper-level multi-skills course : student's book 2. Cambridge, U.K. ; New York: Cambridge University Press.
استشهاد بنمط شيكاغوRichards, Jack C., و Chuck Sandy. Passages: An Upper-level Multi-skills Course : Student's Book 2. Cambridge, U.K. ; New York: Cambridge University Press, 2000.
MLA استشهادRichards, Jack C., و Chuck Sandy. Passages: An Upper-level Multi-skills Course : Student's Book 2. Cambridge, U.K. ; New York: Cambridge University Press, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.