Dalton, K. (1969). The Menstrual Cycle. New York: Warner Paperback Library.
Chicago Style aipamenaDalton, Katharina. The Menstrual Cycle. New York: Warner Paperback Library, 1969.
MLA aipamenaDalton, Katharina. The Menstrual Cycle. New York: Warner Paperback Library, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.