(1989). Sanfte Fitness-Übungen: Low-Impact-Trainingsmethoden. Time-Life-Bücher.
Chicago Style (17th ed.) CitationSanfte Fitness-Übungen: Low-Impact-Trainingsmethoden. Amsterdam: Time-Life-Bücher, 1989.
MLA (9th ed.) CitationSanfte Fitness-Übungen: Low-Impact-Trainingsmethoden. Time-Life-Bücher, 1989.
Warning: These citations may not always be 100% accurate.