SCHIFFERES, J. J. (1970). Healthier living: A college text with readings in per-sonal and environmental health.-- 3rd ed. John Wiley and Sons.
Citace podle Chicago (17th ed.)SCHIFFERES, Justus J. Healthier Living: A College Text with Readings in Per-sonal and Environmental Health.-- 3rd Ed. New York: John Wiley and Sons, 1970.
Citace podle MLA (9th ed.)SCHIFFERES, Justus J. Healthier Living: A College Text with Readings in Per-sonal and Environmental Health.-- 3rd Ed. John Wiley and Sons, 1970.
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