Johnson, G. T., & Goldfinger, S. E. (1981). The Harvard Medical School health letter book. Harvard University Press.
Citace podle Chicago (17th ed.)Johnson, G. Timothy, a Stephen E. Goldfinger. The Harvard Medical School Health Letter Book. Cambridge, MA: Harvard University Press, 1981.
Citace podle MLA (9th ed.)Johnson, G. Timothy, a Stephen E. Goldfinger. The Harvard Medical School Health Letter Book. Harvard University Press, 1981.
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