Penggayaan APA

RAVITCH, Diane. (1987). What do our 17-year-olds know? : . New York: Harper & Row.

Chicago Style

RAVITCH, Diane. What do our 17-year-olds know? :. New York: Harper & Row, 1987. Text.

MLA Style

RAVITCH, Diane. What do our 17-year-olds know? :. New York: Harper & Row, 1987. Text.

Turabian Style

RAVITCH, Diane. What do our 17-year-olds know? :. New York: Harper & Row, 1987. Print.