Gaya APA

Freed, A, F., Ehrlich, S, (, L. (2010). "Why do you ask?": the function of questions in institutional discourse . enk: Oxford University Press.

Gaya MLA

Freed, Alice, F.., Ehrlich, Susan, (Susan, Lynn). ""Why do you ask?": the function of questions in institutional discourse". enk: Oxford University Press, 2010. print.