Freistadt, L. (1968). Proficiency badges for all-round physical achievement: The Regulations of 23 European countries, of Israel and of the Council of Europe with Standard Attainments and Points Scoring Tables. Selbstverl.
Chicago-Zitierstil (17. Ausg.)Freistadt, Leo. Proficiency Badges for All-round Physical Achievement: The Regulations of 23 European Countries, of Israel and of the Council of Europe with Standard Attainments and Points Scoring Tables. Wien: Selbstverl, 1968.
MLA-Zitierstil (9. Ausg.)Freistadt, Leo. Proficiency Badges for All-round Physical Achievement: The Regulations of 23 European Countries, of Israel and of the Council of Europe with Standard Attainments and Points Scoring Tables. Selbstverl, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.