Ralston, D., & Tarshis, B. (1977). Six weeks to a better level of tennis. simon ad Schuster.
Chicago Style aipamenaRalston, Dennis, and Barry Tarshis. Six Weeks to a Better Level of Tennis. New York: simon ad Schuster, 1977.
MLA aipamenaRalston, Dennis, and Barry Tarshis. Six Weeks to a Better Level of Tennis. simon ad Schuster, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.