Shaughnessy, D., & Grossfeld, S. (2003). Spring training: Baseball's early season. Boston: Houghton Mifflin.
Chicago Style aipamenaShaughnessy, Dan., và Stan Grossfeld. Spring Training: Baseball's Early Season. Boston: Houghton Mifflin, 2003.
MLA aipamenaShaughnessy, Dan., và Stan Grossfeld. Spring Training: Baseball's Early Season. Boston: Houghton Mifflin, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.